Home / 722,636,594.62-997,238,500.54-409,370,808.58

Finding the Fourth Proportional to 722,636,594.62, 997,238,500.54 and 409,370,808.58

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Solution

The fourth proportional to 722,636,594.62, 997,238,500.54 and 409,370,808.58 is: 564,931,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,636,594.62 : 997,238,500.54 = 409,370,808.58 : x
  2. Step 2: Convert to fraction form
    722,636,594.62/997,238,500.54 = 409,370,808.58/x
  3. Step 3: Cross multiply
    722,636,594.62x = 997,238,500.54 × 409,370,808.58
  4. Step 4: Simplify right side
    722,636,594.62x = 408,240,331,313,166,528
  5. Step 5: Solve for x
    x = 408,240,331,313,166,528/722,636,594.62
  6. Step 6: Final answer
    x = 564,931,715.82

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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.