Home / 708,588,719.20-1,062,883,078.80-704,284,047.10

Finding the Fourth Proportional to 708,588,719.20, 1,062,883,078.80 and 704,284,047.10

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Solution

The fourth proportional to 708,588,719.20, 1,062,883,078.80 and 704,284,047.10 is: 1,056,426,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,719.20 : 1,062,883,078.80 = 704,284,047.10 : x
  2. Step 2: Convert to fraction form
    708,588,719.20/1,062,883,078.80 = 704,284,047.10/x
  3. Step 3: Cross multiply
    708,588,719.20x = 1,062,883,078.80 × 704,284,047.10
  4. Step 4: Simplify right side
    708,588,719.20x = 748,571,596,331,372,160
  5. Step 5: Solve for x
    x = 748,571,596,331,372,160/708,588,719.20
  6. Step 6: Final answer
    x = 1,056,426,070.65

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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.