Home / 896,679,156.24-1,237,439,154.60-500,199,325.92

Finding the Fourth Proportional to 896,679,156.24, 1,237,439,154.60 and 500,199,325.92

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Solution

The fourth proportional to 896,679,156.24, 1,237,439,154.60 and 500,199,325.92 is: 690,287,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,679,156.24 : 1,237,439,154.60 = 500,199,325.92 : x
  2. Step 2: Convert to fraction form
    896,679,156.24/1,237,439,154.60 = 500,199,325.92/x
  3. Step 3: Cross multiply
    896,679,156.24x = 1,237,439,154.60 × 500,199,325.92
  4. Step 4: Simplify right side
    896,679,156.24x = 618,966,230,997,934,592
  5. Step 5: Solve for x
    x = 618,966,230,997,934,592/896,679,156.24
  6. Step 6: Final answer
    x = 690,287,296.96

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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.