Home / 829,746,318.99-1,145,036,089.46-453,394,638.85

Finding the Fourth Proportional to 829,746,318.99, 1,145,036,089.46 and 453,394,638.85

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Solution

The fourth proportional to 829,746,318.99, 1,145,036,089.46 and 453,394,638.85 is: 625,677,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,746,318.99 : 1,145,036,089.46 = 453,394,638.85 : x
  2. Step 2: Convert to fraction form
    829,746,318.99/1,145,036,089.46 = 453,394,638.85/x
  3. Step 3: Cross multiply
    829,746,318.99x = 1,145,036,089.46 × 453,394,638.85
  4. Step 4: Simplify right side
    829,746,318.99x = 519,153,224,251,411,712
  5. Step 5: Solve for x
    x = 519,153,224,251,411,712/829,746,318.99
  6. Step 6: Final answer
    x = 625,677,044.14

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1.5x scale

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.