Home / 653,490,885.78-980,525,797.46-342,524,599.12

Finding the Fourth Proportional to 653,490,885.78, 980,525,797.46 and 342,524,599.12

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Solution

The fourth proportional to 653,490,885.78, 980,525,797.46 and 342,524,599.12 is: 513,938,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,490,885.78 : 980,525,797.46 = 342,524,599.12 : x
  2. Step 2: Convert to fraction form
    653,490,885.78/980,525,797.46 = 342,524,599.12/x
  3. Step 3: Cross multiply
    653,490,885.78x = 980,525,797.46 × 342,524,599.12
  4. Step 4: Simplify right side
    653,490,885.78x = 335,854,205,702,602,304
  5. Step 5: Solve for x
    x = 335,854,205,702,602,304/653,490,885.78
  6. Step 6: Final answer
    x = 513,938,622.57

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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.