Home / 8,638,545,946.95-12,946,441,729.55-3,658,105,157.76

Finding the Fourth Proportional to 8,638,545,946.95, 12,946,441,729.55 and 3,658,105,157.76

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Solution

The fourth proportional to 8,638,545,946.95, 12,946,441,729.55 and 3,658,105,157.76 is: 5,482,339,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,545,946.95 : 12,946,441,729.55 = 3,658,105,157.76 : x
  2. Step 2: Convert to fraction form
    8,638,545,946.95/12,946,441,729.55 = 3,658,105,157.76/x
  3. Step 3: Cross multiply
    8,638,545,946.95x = 12,946,441,729.55 × 3,658,105,157.76
  4. Step 4: Simplify right side
    8,638,545,946.95x = 47,359,445,265,487,863,808
  5. Step 5: Solve for x
    x = 47,359,445,265,487,863,808/8,638,545,946.95
  6. Step 6: Final answer
    x = 5,482,339,916.50

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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.