Home / 12,938,278,318.70-19,411,000,658.85-8,584,713,646.70

Finding the Fourth Proportional to 12,938,278,318.70, 19,411,000,658.85 and 8,584,713,646.70

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Solution

The fourth proportional to 12,938,278,318.70, 19,411,000,658.85 and 8,584,713,646.70 is: 12,879,447,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,278,318.70 : 19,411,000,658.85 = 8,584,713,646.70 : x
  2. Step 2: Convert to fraction form
    12,938,278,318.70/19,411,000,658.85 = 8,584,713,646.70/x
  3. Step 3: Cross multiply
    12,938,278,318.70x = 19,411,000,658.85 × 8,584,713,646.70
  4. Step 4: Simplify right side
    12,938,278,318.70x = 166,637,882,252,132,253,696
  5. Step 5: Solve for x
    x = 166,637,882,252,132,253,696/12,938,278,318.70
  6. Step 6: Final answer
    x = 12,879,447,956.48

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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.