Home / 1,136,443,385.52-1,704,742,060.68-399,423,685.68

Finding the Fourth Proportional to 1,136,443,385.52, 1,704,742,060.68 and 399,423,685.68

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Solution

The fourth proportional to 1,136,443,385.52, 1,704,742,060.68 and 399,423,685.68 is: 599,162,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,443,385.52 : 1,704,742,060.68 = 399,423,685.68 : x
  2. Step 2: Convert to fraction form
    1,136,443,385.52/1,704,742,060.68 = 399,423,685.68/x
  3. Step 3: Cross multiply
    1,136,443,385.52x = 1,704,742,060.68 × 399,423,685.68
  4. Step 4: Simplify right side
    1,136,443,385.52x = 680,914,357,010,523,904
  5. Step 5: Solve for x
    x = 680,914,357,010,523,904/1,136,443,385.52
  6. Step 6: Final answer
    x = 599,162,585.38

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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.