Home / 659,787,371.01-989,896,038.62-314,696,092.05

Finding the Fourth Proportional to 659,787,371.01, 989,896,038.62 and 314,696,092.05

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Solution

The fourth proportional to 659,787,371.01, 989,896,038.62 and 314,696,092.05 is: 472,146,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,787,371.01 : 989,896,038.62 = 314,696,092.05 : x
  2. Step 2: Convert to fraction form
    659,787,371.01/989,896,038.62 = 314,696,092.05/x
  3. Step 3: Cross multiply
    659,787,371.01x = 989,896,038.62 × 314,696,092.05
  4. Step 4: Simplify right side
    659,787,371.01x = 311,516,414,887,916,416
  5. Step 5: Solve for x
    x = 311,516,414,887,916,416/659,787,371.01
  6. Step 6: Final answer
    x = 472,146,677.21

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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.