Home / 8,638,545,944.70-12,946,441,726.17-3,658,105,155.51

Finding the Fourth Proportional to 8,638,545,944.70, 12,946,441,726.17 and 3,658,105,155.51

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Solution

The fourth proportional to 8,638,545,944.70, 12,946,441,726.17 and 3,658,105,155.51 is: 5,482,339,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,545,944.70 : 12,946,441,726.17 = 3,658,105,155.51 : x
  2. Step 2: Convert to fraction form
    8,638,545,944.70/12,946,441,726.17 = 3,658,105,155.51/x
  3. Step 3: Cross multiply
    8,638,545,944.70x = 12,946,441,726.17 × 3,658,105,155.51
  4. Step 4: Simplify right side
    8,638,545,944.70x = 47,359,445,224,012,267,520
  5. Step 5: Solve for x
    x = 47,359,445,224,012,267,520/8,638,545,944.70
  6. Step 6: Final answer
    x = 5,482,339,913.13

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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.