Home / 497,802,111.40-746,065,437.90-442,957,400.20

Finding the Fourth Proportional to 497,802,111.40, 746,065,437.90 and 442,957,400.20

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Solution

The fourth proportional to 497,802,111.40, 746,065,437.90 and 442,957,400.20 is: 663,868,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,802,111.40 : 746,065,437.90 = 442,957,400.20 : x
  2. Step 2: Convert to fraction form
    497,802,111.40/746,065,437.90 = 442,957,400.20/x
  3. Step 3: Cross multiply
    497,802,111.40x = 746,065,437.90 × 442,957,400.20
  4. Step 4: Simplify right side
    497,802,111.40x = 330,475,206,751,258,560
  5. Step 5: Solve for x
    x = 330,475,206,751,258,560/497,802,111.40
  6. Step 6: Final answer
    x = 663,868,632.10

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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.