Home / 8,638,545,947.95-12,946,441,731.04-3,658,105,158.76

Finding the Fourth Proportional to 8,638,545,947.95, 12,946,441,731.04 and 3,658,105,158.76

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Solution

The fourth proportional to 8,638,545,947.95, 12,946,441,731.04 and 3,658,105,158.76 is: 5,482,339,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,545,947.95 : 12,946,441,731.04 = 3,658,105,158.76 : x
  2. Step 2: Convert to fraction form
    8,638,545,947.95/12,946,441,731.04 = 3,658,105,158.76/x
  3. Step 3: Cross multiply
    8,638,545,947.95x = 12,946,441,731.04 × 3,658,105,158.76
  4. Step 4: Simplify right side
    8,638,545,947.95x = 47,359,445,283,903,176,704
  5. Step 5: Solve for x
    x = 47,359,445,283,903,176,704/8,638,545,947.95
  6. Step 6: Final answer
    x = 5,482,339,918.00

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1.5x scale

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.