Home / 8,506,192,495.90-12,759,288,743.85-7,359,574,639.90

Finding the Fourth Proportional to 8,506,192,495.90, 12,759,288,743.85 and 7,359,574,639.90

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Solution

The fourth proportional to 8,506,192,495.90, 12,759,288,743.85 and 7,359,574,639.90 is: 11,039,361,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,192,495.90 : 12,759,288,743.85 = 7,359,574,639.90 : x
  2. Step 2: Convert to fraction form
    8,506,192,495.90/12,759,288,743.85 = 7,359,574,639.90/x
  3. Step 3: Cross multiply
    8,506,192,495.90x = 12,759,288,743.85 × 7,359,574,639.90
  4. Step 4: Simplify right side
    8,506,192,495.90x = 93,902,937,862,399,983,616
  5. Step 5: Solve for x
    x = 93,902,937,862,399,983,616/8,506,192,495.90
  6. Step 6: Final answer
    x = 11,039,361,959.85

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Double scale
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Similar ratio
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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.