Home / 19,787,757,712.20-29,681,636,568.30-16,688,393,800.20

Finding the Fourth Proportional to 19,787,757,712.20, 29,681,636,568.30 and 16,688,393,800.20

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Solution

The fourth proportional to 19,787,757,712.20, 29,681,636,568.30 and 16,688,393,800.20 is: 25,032,590,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,757,712.20 : 29,681,636,568.30 = 16,688,393,800.20 : x
  2. Step 2: Convert to fraction form
    19,787,757,712.20/29,681,636,568.30 = 16,688,393,800.20/x
  3. Step 3: Cross multiply
    19,787,757,712.20x = 29,681,636,568.30 × 16,688,393,800.20
  4. Step 4: Simplify right side
    19,787,757,712.20x = 495,338,839,686,207,307,776
  5. Step 5: Solve for x
    x = 495,338,839,686,207,307,776/19,787,757,712.20
  6. Step 6: Final answer
    x = 25,032,590,700.30

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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.