Home / 28,366,860,449.20-42,550,290,673.80-17,192,711,124.40

Finding the Fourth Proportional to 28,366,860,449.20, 42,550,290,673.80 and 17,192,711,124.40

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Solution

The fourth proportional to 28,366,860,449.20, 42,550,290,673.80 and 17,192,711,124.40 is: 25,789,066,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,860,449.20 : 42,550,290,673.80 = 17,192,711,124.40 : x
  2. Step 2: Convert to fraction form
    28,366,860,449.20/42,550,290,673.80 = 17,192,711,124.40/x
  3. Step 3: Cross multiply
    28,366,860,449.20x = 42,550,290,673.80 × 17,192,711,124.40
  4. Step 4: Simplify right side
    28,366,860,449.20x = 731,554,855,813,894,897,664
  5. Step 5: Solve for x
    x = 731,554,855,813,894,897,664/28,366,860,449.20
  6. Step 6: Final answer
    x = 25,789,066,686.60

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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.