Home / 653,238,001.40-979,857,002.10-289,732,357.40

Finding the Fourth Proportional to 653,238,001.40, 979,857,002.10 and 289,732,357.40

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Solution

The fourth proportional to 653,238,001.40, 979,857,002.10 and 289,732,357.40 is: 434,598,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,238,001.40 : 979,857,002.10 = 289,732,357.40 : x
  2. Step 2: Convert to fraction form
    653,238,001.40/979,857,002.10 = 289,732,357.40/x
  3. Step 3: Cross multiply
    653,238,001.40x = 979,857,002.10 × 289,732,357.40
  4. Step 4: Simplify right side
    653,238,001.40x = 283,896,279,133,329,728
  5. Step 5: Solve for x
    x = 283,896,279,133,329,728/653,238,001.40
  6. Step 6: Final answer
    x = 434,598,536.10

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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.