Home / 706,521,938.52-975,000,319.72-393,249,427.04

Finding the Fourth Proportional to 706,521,938.52, 975,000,319.72 and 393,249,427.04

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Solution

The fourth proportional to 706,521,938.52, 975,000,319.72 and 393,249,427.04 is: 542,684,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,521,938.52 : 975,000,319.72 = 393,249,427.04 : x
  2. Step 2: Convert to fraction form
    706,521,938.52/975,000,319.72 = 393,249,427.04/x
  3. Step 3: Cross multiply
    706,521,938.52x = 975,000,319.72 × 393,249,427.04
  4. Step 4: Simplify right side
    706,521,938.52x = 383,418,317,093,706,816
  5. Step 5: Solve for x
    x = 383,418,317,093,706,816/706,521,938.52
  6. Step 6: Final answer
    x = 542,684,234.12

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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.