Home / 1,003,961,263.56-1,385,500,188.40-557,943,425.68

Finding the Fourth Proportional to 1,003,961,263.56, 1,385,500,188.40 and 557,943,425.68

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Solution

The fourth proportional to 1,003,961,263.56, 1,385,500,188.40 and 557,943,425.68 is: 769,980,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,961,263.56 : 1,385,500,188.40 = 557,943,425.68 : x
  2. Step 2: Convert to fraction form
    1,003,961,263.56/1,385,500,188.40 = 557,943,425.68/x
  3. Step 3: Cross multiply
    1,003,961,263.56x = 1,385,500,188.40 × 557,943,425.68
  4. Step 4: Simplify right side
    1,003,961,263.56x = 773,030,721,396,181,376
  5. Step 5: Solve for x
    x = 773,030,721,396,181,376/1,003,961,263.56
  6. Step 6: Final answer
    x = 769,980,625.20

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Double scale
Find fourth proportional to 1,003,961,264.56, 1,385,500,189.78 and 557,943,426.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.