Home / 977,087,768.30-1,465,631,652.45-432,892,184.30

Finding the Fourth Proportional to 977,087,768.30, 1,465,631,652.45 and 432,892,184.30

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Solution

The fourth proportional to 977,087,768.30, 1,465,631,652.45 and 432,892,184.30 is: 649,338,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,087,768.30 : 1,465,631,652.45 = 432,892,184.30 : x
  2. Step 2: Convert to fraction form
    977,087,768.30/1,465,631,652.45 = 432,892,184.30/x
  3. Step 3: Cross multiply
    977,087,768.30x = 1,465,631,652.45 × 432,892,184.30
  4. Step 4: Simplify right side
    977,087,768.30x = 634,460,487,408,299,008
  5. Step 5: Solve for x
    x = 634,460,487,408,299,008/977,087,768.30
  6. Step 6: Final answer
    x = 649,338,276.45

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Double scale
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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.