Home / 1,021,070,442.89-1,532,051,159.95-357,560,684.79

Finding the Fourth Proportional to 1,021,070,442.89, 1,532,051,159.95 and 357,560,684.79

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Solution

The fourth proportional to 1,021,070,442.89, 1,532,051,159.95 and 357,560,684.79 is: 536,497,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,070,442.89 : 1,532,051,159.95 = 357,560,684.79 : x
  2. Step 2: Convert to fraction form
    1,021,070,442.89/1,532,051,159.95 = 357,560,684.79/x
  3. Step 3: Cross multiply
    1,021,070,442.89x = 1,532,051,159.95 × 357,560,684.79
  4. Step 4: Simplify right side
    1,021,070,442.89x = 547,801,261,888,350,208
  5. Step 5: Solve for x
    x = 547,801,261,888,350,208/1,021,070,442.89
  6. Step 6: Final answer
    x = 536,497,031.82

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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.