Home / 870,522,699.60-1,304,083,438.20-524,448,320.40

Finding the Fourth Proportional to 870,522,699.60, 1,304,083,438.20 and 524,448,320.40

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Solution

The fourth proportional to 870,522,699.60, 1,304,083,438.20 and 524,448,320.40 is: 785,647,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,522,699.60 : 1,304,083,438.20 = 524,448,320.40 : x
  2. Step 2: Convert to fraction form
    870,522,699.60/1,304,083,438.20 = 524,448,320.40/x
  3. Step 3: Cross multiply
    870,522,699.60x = 1,304,083,438.20 × 524,448,320.40
  4. Step 4: Simplify right side
    870,522,699.60x = 683,924,368,825,447,168
  5. Step 5: Solve for x
    x = 683,924,368,825,447,168/870,522,699.60
  6. Step 6: Final answer
    x = 785,647,943.63

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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.