Home / 625,609,870.40-938,131,370.40-237,303,646.40

Finding the Fourth Proportional to 625,609,870.40, 938,131,370.40 and 237,303,646.40

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Solution

The fourth proportional to 625,609,870.40, 938,131,370.40 and 237,303,646.40 is: 355,847,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,609,870.40 : 938,131,370.40 = 237,303,646.40 : x
  2. Step 2: Convert to fraction form
    625,609,870.40/938,131,370.40 = 237,303,646.40/x
  3. Step 3: Cross multiply
    625,609,870.40x = 938,131,370.40 × 237,303,646.40
  4. Step 4: Simplify right side
    625,609,870.40x = 222,621,994,998,149,024
  5. Step 5: Solve for x
    x = 222,621,994,998,149,024/625,609,870.40
  6. Step 6: Final answer
    x = 355,847,958.18

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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.