Home / 472,826,581.80-709,239,872.70-291,428,053.80

Finding the Fourth Proportional to 472,826,581.80, 709,239,872.70 and 291,428,053.80

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Solution

The fourth proportional to 472,826,581.80, 709,239,872.70 and 291,428,053.80 is: 437,142,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,826,581.80 : 709,239,872.70 = 291,428,053.80 : x
  2. Step 2: Convert to fraction form
    472,826,581.80/709,239,872.70 = 291,428,053.80/x
  3. Step 3: Cross multiply
    472,826,581.80x = 709,239,872.70 × 291,428,053.80
  4. Step 4: Simplify right side
    472,826,581.80x = 206,692,395,778,320,768
  5. Step 5: Solve for x
    x = 206,692,395,778,320,768/472,826,581.80
  6. Step 6: Final answer
    x = 437,142,080.70

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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.