Home / 472,421,208.80-709,387,640.40-357,535,474.40

Finding the Fourth Proportional to 472,421,208.80, 709,387,640.40 and 357,535,474.40

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Solution

The fourth proportional to 472,421,208.80, 709,387,640.40 and 357,535,474.40 is: 536,875,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,421,208.80 : 709,387,640.40 = 357,535,474.40 : x
  2. Step 2: Convert to fraction form
    472,421,208.80/709,387,640.40 = 357,535,474.40/x
  3. Step 3: Cross multiply
    472,421,208.80x = 709,387,640.40 × 357,535,474.40
  4. Step 4: Simplify right side
    472,421,208.80x = 253,631,246,543,910,592
  5. Step 5: Solve for x
    x = 253,631,246,543,910,592/472,421,208.80
  6. Step 6: Final answer
    x = 536,875,232.99

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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.