Home / 381,063,605,916.55-571,427,675,503.35-201,947,627,498.95

Finding the Fourth Proportional to 381,063,605,916.55, 571,427,675,503.35 and 201,947,627,498.95

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Solution

The fourth proportional to 381,063,605,916.55, 571,427,675,503.35 and 201,947,627,498.95 is: 302,832,549,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,063,605,916.55 : 571,427,675,503.35 = 201,947,627,498.95 : x
  2. Step 2: Convert to fraction form
    381,063,605,916.55/571,427,675,503.35 = 201,947,627,498.95/x
  3. Step 3: Cross multiply
    381,063,605,916.55x = 571,427,675,503.35 × 201,947,627,498.95
  4. Step 4: Simplify right side
    381,063,605,916.55x = 115,398,463,355,141,411,045,376
  5. Step 5: Solve for x
    x = 115,398,463,355,141,411,045,376/381,063,605,916.55
  6. Step 6: Final answer
    x = 302,832,549,641.10

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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.