Home / 765,381,655.26-1,056,553,171.58-514,631,391.66

Finding the Fourth Proportional to 765,381,655.26, 1,056,553,171.58 and 514,631,391.66

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Solution

The fourth proportional to 765,381,655.26, 1,056,553,171.58 and 514,631,391.66 is: 710,410,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,381,655.26 : 1,056,553,171.58 = 514,631,391.66 : x
  2. Step 2: Convert to fraction form
    765,381,655.26/1,056,553,171.58 = 514,631,391.66/x
  3. Step 3: Cross multiply
    765,381,655.26x = 1,056,553,171.58 × 514,631,391.66
  4. Step 4: Simplify right side
    765,381,655.26x = 543,735,429,054,288,768
  5. Step 5: Solve for x
    x = 543,735,429,054,288,768/765,381,655.26
  6. Step 6: Final answer
    x = 710,410,845.78

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Double scale
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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.