Home / 746,502,854.40-1,119,754,281.60-644,382,201.60

Finding the Fourth Proportional to 746,502,854.40, 1,119,754,281.60 and 644,382,201.60

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Solution

The fourth proportional to 746,502,854.40, 1,119,754,281.60 and 644,382,201.60 is: 966,573,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,502,854.40 : 1,119,754,281.60 = 644,382,201.60 : x
  2. Step 2: Convert to fraction form
    746,502,854.40/1,119,754,281.60 = 644,382,201.60/x
  3. Step 3: Cross multiply
    746,502,854.40x = 1,119,754,281.60 × 644,382,201.60
  4. Step 4: Simplify right side
    746,502,854.40x = 721,549,729,228,434,304
  5. Step 5: Solve for x
    x = 721,549,729,228,434,304/746,502,854.40
  6. Step 6: Final answer
    x = 966,573,302.40

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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.