Home / 384,912,010.60-577,368,015.90-212,725,126.60

Finding the Fourth Proportional to 384,912,010.60, 577,368,015.90 and 212,725,126.60

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Solution

The fourth proportional to 384,912,010.60, 577,368,015.90 and 212,725,126.60 is: 319,087,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,010.60 : 577,368,015.90 = 212,725,126.60 : x
  2. Step 2: Convert to fraction form
    384,912,010.60/577,368,015.90 = 212,725,126.60/x
  3. Step 3: Cross multiply
    384,912,010.60x = 577,368,015.90 × 212,725,126.60
  4. Step 4: Simplify right side
    384,912,010.60x = 122,820,684,277,118,304
  5. Step 5: Solve for x
    x = 122,820,684,277,118,304/384,912,010.60
  6. Step 6: Final answer
    x = 319,087,689.90

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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.