Home / 1,089,443,539-1,503,895,981.50-732,418,377.40

Finding the Fourth Proportional to 1,089,443,539, 1,503,895,981.50 and 732,418,377.40

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Solution

The fourth proportional to 1,089,443,539, 1,503,895,981.50 and 732,418,377.40 is: 1,011,049,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,443,539 : 1,503,895,981.50 = 732,418,377.40 : x
  2. Step 2: Convert to fraction form
    1,089,443,539/1,503,895,981.50 = 732,418,377.40/x
  3. Step 3: Cross multiply
    1,089,443,539x = 1,503,895,981.50 × 732,418,377.40
  4. Step 4: Simplify right side
    1,089,443,539x = 1,101,481,054,548,610,432
  5. Step 5: Solve for x
    x = 1,101,481,054,548,610,432/1,089,443,539
  6. Step 6: Final answer
    x = 1,011,049,233.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.