Home / 832,543,541.02-1,248,331,257.33-315,013,895.02

Finding the Fourth Proportional to 832,543,541.02, 1,248,331,257.33 and 315,013,895.02

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Solution

The fourth proportional to 832,543,541.02, 1,248,331,257.33 and 315,013,895.02 is: 472,337,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,543,541.02 : 1,248,331,257.33 = 315,013,895.02 : x
  2. Step 2: Convert to fraction form
    832,543,541.02/1,248,331,257.33 = 315,013,895.02/x
  3. Step 3: Cross multiply
    832,543,541.02x = 1,248,331,257.33 × 315,013,895.02
  4. Step 4: Simplify right side
    832,543,541.02x = 393,241,691,646,737,152
  5. Step 5: Solve for x
    x = 393,241,691,646,737,152/832,543,541.02
  6. Step 6: Final answer
    x = 472,337,688.39

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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.