Home / 19,787,757,713.20-29,681,636,569.80-16,688,393,801.20

Finding the Fourth Proportional to 19,787,757,713.20, 29,681,636,569.80 and 16,688,393,801.20

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Solution

The fourth proportional to 19,787,757,713.20, 29,681,636,569.80 and 16,688,393,801.20 is: 25,032,590,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,757,713.20 : 29,681,636,569.80 = 16,688,393,801.20 : x
  2. Step 2: Convert to fraction form
    19,787,757,713.20/29,681,636,569.80 = 16,688,393,801.20/x
  3. Step 3: Cross multiply
    19,787,757,713.20x = 29,681,636,569.80 × 16,688,393,801.20
  4. Step 4: Simplify right side
    19,787,757,713.20x = 495,338,839,740,921,544,704
  5. Step 5: Solve for x
    x = 495,338,839,740,921,544,704/19,787,757,713.20
  6. Step 6: Final answer
    x = 25,032,590,701.80

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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.