Home / 2,126,515,427.10-3,189,773,140.65-573,804,257.40

Finding the Fourth Proportional to 2,126,515,427.10, 3,189,773,140.65 and 573,804,257.40

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Solution

The fourth proportional to 2,126,515,427.10, 3,189,773,140.65 and 573,804,257.40 is: 860,706,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,515,427.10 : 3,189,773,140.65 = 573,804,257.40 : x
  2. Step 2: Convert to fraction form
    2,126,515,427.10/3,189,773,140.65 = 573,804,257.40/x
  3. Step 3: Cross multiply
    2,126,515,427.10x = 3,189,773,140.65 × 573,804,257.40
  4. Step 4: Simplify right side
    2,126,515,427.10x = 1,830,305,408,245,138,944
  5. Step 5: Solve for x
    x = 1,830,305,408,245,138,944/2,126,515,427.10
  6. Step 6: Final answer
    x = 860,706,386.10

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Half scale
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Double scale
Find fourth proportional to 2,126,515,428.10, 3,189,773,142.15 and 573,804,258.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.