Home / 472,827,312.30-709,240,968.45-291,428,784.30

Finding the Fourth Proportional to 472,827,312.30, 709,240,968.45 and 291,428,784.30

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Solution

The fourth proportional to 472,827,312.30, 709,240,968.45 and 291,428,784.30 is: 437,143,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,827,312.30 : 709,240,968.45 = 291,428,784.30 : x
  2. Step 2: Convert to fraction form
    472,827,312.30/709,240,968.45 = 291,428,784.30/x
  3. Step 3: Cross multiply
    472,827,312.30x = 709,240,968.45 × 291,428,784.30
  4. Step 4: Simplify right side
    472,827,312.30x = 206,693,233,211,138,176
  5. Step 5: Solve for x
    x = 206,693,233,211,138,176/472,827,312.30
  6. Step 6: Final answer
    x = 437,143,176.45

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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.