Home / 623,960,164.44-861,961,928.76-498,347,440.92

Finding the Fourth Proportional to 623,960,164.44, 861,961,928.76 and 498,347,440.92

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Solution

The fourth proportional to 623,960,164.44, 861,961,928.76 and 498,347,440.92 is: 688,435,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,960,164.44 : 861,961,928.76 = 498,347,440.92 : x
  2. Step 2: Convert to fraction form
    623,960,164.44/861,961,928.76 = 498,347,440.92/x
  3. Step 3: Cross multiply
    623,960,164.44x = 861,961,928.76 × 498,347,440.92
  4. Step 4: Simplify right side
    623,960,164.44x = 429,556,521,368,013,376
  5. Step 5: Solve for x
    x = 429,556,521,368,013,376/623,960,164.44
  6. Step 6: Final answer
    x = 688,435,810.25

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Double scale
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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.