Home / 517,931,359.92-776,961,688.14-202,756,679.64

Finding the Fourth Proportional to 517,931,359.92, 776,961,688.14 and 202,756,679.64

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Solution

The fourth proportional to 517,931,359.92, 776,961,688.14 and 202,756,679.64 is: 304,160,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,931,359.92 : 776,961,688.14 = 202,756,679.64 : x
  2. Step 2: Convert to fraction form
    517,931,359.92/776,961,688.14 = 202,756,679.64/x
  3. Step 3: Cross multiply
    517,931,359.92x = 776,961,688.14 × 202,756,679.64
  4. Step 4: Simplify right side
    517,931,359.92x = 157,534,172,094,755,552
  5. Step 5: Solve for x
    x = 157,534,172,094,755,552/517,931,359.92
  6. Step 6: Final answer
    x = 304,160,327.58

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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.