Home / 522,695,316.78-784,037,660.54-134,516,638.62

Finding the Fourth Proportional to 522,695,316.78, 784,037,660.54 and 134,516,638.62

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Solution

The fourth proportional to 522,695,316.78, 784,037,660.54 and 134,516,638.62 is: 201,773,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,695,316.78 : 784,037,660.54 = 134,516,638.62 : x
  2. Step 2: Convert to fraction form
    522,695,316.78/784,037,660.54 = 134,516,638.62/x
  3. Step 3: Cross multiply
    522,695,316.78x = 784,037,660.54 × 134,516,638.62
  4. Step 4: Simplify right side
    522,695,316.78x = 105,466,110,646,656,832
  5. Step 5: Solve for x
    x = 105,466,110,646,656,832/522,695,316.78
  6. Step 6: Final answer
    x = 201,773,590.20

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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.