Home / 534,849,455.35-737,981,721.28-308,784,521.59

Finding the Fourth Proportional to 534,849,455.35, 737,981,721.28 and 308,784,521.59

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Solution

The fourth proportional to 534,849,455.35, 737,981,721.28 and 308,784,521.59 is: 426,058,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,849,455.35 : 737,981,721.28 = 308,784,521.59 : x
  2. Step 2: Convert to fraction form
    534,849,455.35/737,981,721.28 = 308,784,521.59/x
  3. Step 3: Cross multiply
    534,849,455.35x = 737,981,721.28 × 308,784,521.59
  4. Step 4: Simplify right side
    534,849,455.35x = 227,877,332,748,917,984
  5. Step 5: Solve for x
    x = 227,877,332,748,917,984/534,849,455.35
  6. Step 6: Final answer
    x = 426,058,829.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.