Home / 1,119,745,389.20-1,679,618,083.80-712,606,470.80

Finding the Fourth Proportional to 1,119,745,389.20, 1,679,618,083.80 and 712,606,470.80

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Solution

The fourth proportional to 1,119,745,389.20, 1,679,618,083.80 and 712,606,470.80 is: 1,068,909,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,389.20 : 1,679,618,083.80 = 712,606,470.80 : x
  2. Step 2: Convert to fraction form
    1,119,745,389.20/1,679,618,083.80 = 712,606,470.80/x
  3. Step 3: Cross multiply
    1,119,745,389.20x = 1,679,618,083.80 × 712,606,470.80
  4. Step 4: Simplify right side
    1,119,745,389.20x = 1,196,906,714,988,576,512
  5. Step 5: Solve for x
    x = 1,196,906,714,988,576,512/1,119,745,389.20
  6. Step 6: Final answer
    x = 1,068,909,706.20

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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.