Home / 982,223,627.10-1,473,335,440.65-672,287,235.90

Finding the Fourth Proportional to 982,223,627.10, 1,473,335,440.65 and 672,287,235.90

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Solution

The fourth proportional to 982,223,627.10, 1,473,335,440.65 and 672,287,235.90 is: 1,008,430,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,223,627.10 : 1,473,335,440.65 = 672,287,235.90 : x
  2. Step 2: Convert to fraction form
    982,223,627.10/1,473,335,440.65 = 672,287,235.90/x
  3. Step 3: Cross multiply
    982,223,627.10x = 1,473,335,440.65 × 672,287,235.90
  4. Step 4: Simplify right side
    982,223,627.10x = 990,504,610,948,097,024
  5. Step 5: Solve for x
    x = 990,504,610,948,097,024/982,223,627.10
  6. Step 6: Final answer
    x = 1,008,430,853.85

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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.