Home / 710,080,666.60-1,065,120,999.90-632,986,292.20

Finding the Fourth Proportional to 710,080,666.60, 1,065,120,999.90 and 632,986,292.20

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Solution

The fourth proportional to 710,080,666.60, 1,065,120,999.90 and 632,986,292.20 is: 949,479,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,080,666.60 : 1,065,120,999.90 = 632,986,292.20 : x
  2. Step 2: Convert to fraction form
    710,080,666.60/1,065,120,999.90 = 632,986,292.20/x
  3. Step 3: Cross multiply
    710,080,666.60x = 1,065,120,999.90 × 632,986,292.20
  4. Step 4: Simplify right side
    710,080,666.60x = 674,206,992,471,057,664
  5. Step 5: Solve for x
    x = 674,206,992,471,057,664/710,080,666.60
  6. Step 6: Final answer
    x = 949,479,438.30

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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.