Home / 19,366,955,913.40-29,050,433,870.10-12,754,979,567.80

Finding the Fourth Proportional to 19,366,955,913.40, 29,050,433,870.10 and 12,754,979,567.80

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Solution

The fourth proportional to 19,366,955,913.40, 29,050,433,870.10 and 12,754,979,567.80 is: 19,132,469,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366,955,913.40 : 29,050,433,870.10 = 12,754,979,567.80 : x
  2. Step 2: Convert to fraction form
    19,366,955,913.40/29,050,433,870.10 = 12,754,979,567.80/x
  3. Step 3: Cross multiply
    19,366,955,913.40x = 29,050,433,870.10 × 12,754,979,567.80
  4. Step 4: Simplify right side
    19,366,955,913.40x = 370,537,690,448,850,518,016
  5. Step 5: Solve for x
    x = 370,537,690,448,850,518,016/19,366,955,913.40
  6. Step 6: Final answer
    x = 19,132,469,351.70

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Double scale
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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.