Home / 1,119,745,407.40-1,679,618,111.10-847,647,615.40

Finding the Fourth Proportional to 1,119,745,407.40, 1,679,618,111.10 and 847,647,615.40

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Solution

The fourth proportional to 1,119,745,407.40, 1,679,618,111.10 and 847,647,615.40 is: 1,271,471,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,407.40 : 1,679,618,111.10 = 847,647,615.40 : x
  2. Step 2: Convert to fraction form
    1,119,745,407.40/1,679,618,111.10 = 847,647,615.40/x
  3. Step 3: Cross multiply
    1,119,745,407.40x = 1,679,618,111.10 × 847,647,615.40
  4. Step 4: Simplify right side
    1,119,745,407.40x = 1,423,724,286,656,567,040
  5. Step 5: Solve for x
    x = 1,423,724,286,656,567,040/1,119,745,407.40
  6. Step 6: Final answer
    x = 1,271,471,423.10

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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.