Home / 1,119,745,110.70-1,679,617,666.05-847,647,318.70

Finding the Fourth Proportional to 1,119,745,110.70, 1,679,617,666.05 and 847,647,318.70

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Solution

The fourth proportional to 1,119,745,110.70, 1,679,617,666.05 and 847,647,318.70 is: 1,271,470,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,110.70 : 1,679,617,666.05 = 847,647,318.70 : x
  2. Step 2: Convert to fraction form
    1,119,745,110.70/1,679,617,666.05 = 847,647,318.70/x
  3. Step 3: Cross multiply
    1,119,745,110.70x = 1,679,617,666.05 × 847,647,318.70
  4. Step 4: Simplify right side
    1,119,745,110.70x = 1,423,723,411,068,434,432
  5. Step 5: Solve for x
    x = 1,423,723,411,068,434,432/1,119,745,110.70
  6. Step 6: Final answer
    x = 1,271,470,978.05

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Double scale
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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.