Home / 1,418,336,206.86-1,957,826,278.35-853,847,336.46

Finding the Fourth Proportional to 1,418,336,206.86, 1,957,826,278.35 and 853,847,336.46

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Solution

The fourth proportional to 1,418,336,206.86, 1,957,826,278.35 and 853,847,336.46 is: 1,178,623,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,336,206.86 : 1,957,826,278.35 = 853,847,336.46 : x
  2. Step 2: Convert to fraction form
    1,418,336,206.86/1,957,826,278.35 = 853,847,336.46/x
  3. Step 3: Cross multiply
    1,418,336,206.86x = 1,957,826,278.35 × 853,847,336.46
  4. Step 4: Simplify right side
    1,418,336,206.86x = 1,671,684,753,020,541,952
  5. Step 5: Solve for x
    x = 1,671,684,753,020,541,952/1,418,336,206.86
  6. Step 6: Final answer
    x = 1,178,623,759.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.