Home / 636,596,059.04-878,502,601.98-354,332,423.49

Finding the Fourth Proportional to 636,596,059.04, 878,502,601.98 and 354,332,423.49

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Solution

The fourth proportional to 636,596,059.04, 878,502,601.98 and 354,332,423.49 is: 488,978,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,596,059.04 : 878,502,601.98 = 354,332,423.49 : x
  2. Step 2: Convert to fraction form
    636,596,059.04/878,502,601.98 = 354,332,423.49/x
  3. Step 3: Cross multiply
    636,596,059.04x = 878,502,601.98 × 354,332,423.49
  4. Step 4: Simplify right side
    636,596,059.04x = 311,281,956,000,049,280
  5. Step 5: Solve for x
    x = 311,281,956,000,049,280/636,596,059.04
  6. Step 6: Final answer
    x = 488,978,766.96

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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.