Home / 8,209,941,654.81-11,329,808,658.86-4,822,993,697.79

Finding the Fourth Proportional to 8,209,941,654.81, 11,329,808,658.86 and 4,822,993,697.79

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Solution

The fourth proportional to 8,209,941,654.81, 11,329,808,658.86 and 4,822,993,697.79 is: 6,655,783,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,941,654.81 : 11,329,808,658.86 = 4,822,993,697.79 : x
  2. Step 2: Convert to fraction form
    8,209,941,654.81/11,329,808,658.86 = 4,822,993,697.79/x
  3. Step 3: Cross multiply
    8,209,941,654.81x = 11,329,808,658.86 × 4,822,993,697.79
  4. Step 4: Simplify right side
    8,209,941,654.81x = 54,643,595,758,824,235,008
  5. Step 5: Solve for x
    x = 54,643,595,758,824,235,008/8,209,941,654.81
  6. Step 6: Final answer
    x = 6,655,783,689.62

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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.