Home / 5,661,201,957.69-7,812,482,298.88-3,120,828,116.76

Finding the Fourth Proportional to 5,661,201,957.69, 7,812,482,298.88 and 3,120,828,116.76

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Solution

The fourth proportional to 5,661,201,957.69, 7,812,482,298.88 and 3,120,828,116.76 is: 4,306,755,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661,201,957.69 : 7,812,482,298.88 = 3,120,828,116.76 : x
  2. Step 2: Convert to fraction form
    5,661,201,957.69/7,812,482,298.88 = 3,120,828,116.76/x
  3. Step 3: Cross multiply
    5,661,201,957.69x = 7,812,482,298.88 × 3,120,828,116.76
  4. Step 4: Simplify right side
    5,661,201,957.69x = 24,381,414,420,003,266,560
  5. Step 5: Solve for x
    x = 24,381,414,420,003,266,560/5,661,201,957.69
  6. Step 6: Final answer
    x = 4,306,755,809.49

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Double scale
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1.5x scale

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.