Home / 693,920,301.20-1,040,778,065.88-202,501,624.48

Finding the Fourth Proportional to 693,920,301.20, 1,040,778,065.88 and 202,501,624.48

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Solution

The fourth proportional to 693,920,301.20, 1,040,778,065.88 and 202,501,624.48 is: 303,722,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,920,301.20 : 1,040,778,065.88 = 202,501,624.48 : x
  2. Step 2: Convert to fraction form
    693,920,301.20/1,040,778,065.88 = 202,501,624.48/x
  3. Step 3: Cross multiply
    693,920,301.20x = 1,040,778,065.88 × 202,501,624.48
  4. Step 4: Simplify right side
    693,920,301.20x = 210,759,249,063,852,448
  5. Step 5: Solve for x
    x = 210,759,249,063,852,448/693,920,301.20
  6. Step 6: Final answer
    x = 303,722,558.19

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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.