Home / 473,319,331.76-709,945,325.07-145,760,689.15

Finding the Fourth Proportional to 473,319,331.76, 709,945,325.07 and 145,760,689.15

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Solution

The fourth proportional to 473,319,331.76, 709,945,325.07 and 145,760,689.15 is: 218,630,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,319,331.76 : 709,945,325.07 = 145,760,689.15 : x
  2. Step 2: Convert to fraction form
    473,319,331.76/709,945,325.07 = 145,760,689.15/x
  3. Step 3: Cross multiply
    473,319,331.76x = 709,945,325.07 × 145,760,689.15
  4. Step 4: Simplify right side
    473,319,331.76x = 103,482,119,839,249,120
  5. Step 5: Solve for x
    x = 103,482,119,839,249,120/473,319,331.76
  6. Step 6: Final answer
    x = 218,630,664.11

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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.