Home / 39,690,488,920.98-59,547,350,961.79-12,798,515,878.59

Finding the Fourth Proportional to 39,690,488,920.98, 59,547,350,961.79 and 12,798,515,878.59

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Solution

The fourth proportional to 39,690,488,920.98, 59,547,350,961.79 and 12,798,515,878.59 is: 19,201,519,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,920.98 : 59,547,350,961.79 = 12,798,515,878.59 : x
  2. Step 2: Convert to fraction form
    39,690,488,920.98/59,547,350,961.79 = 12,798,515,878.59/x
  3. Step 3: Cross multiply
    39,690,488,920.98x = 59,547,350,961.79 × 12,798,515,878.59
  4. Step 4: Simplify right side
    39,690,488,920.98x = 762,117,716,812,492,046,336
  5. Step 5: Solve for x
    x = 762,117,716,812,492,046,336/39,690,488,920.98
  6. Step 6: Final answer
    x = 19,201,519,999.66

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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.