Home / 372,592,983.20-558,889,474.80-370,042,066.40

Finding the Fourth Proportional to 372,592,983.20, 558,889,474.80 and 370,042,066.40

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Solution

The fourth proportional to 372,592,983.20, 558,889,474.80 and 370,042,066.40 is: 555,063,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,592,983.20 : 558,889,474.80 = 370,042,066.40 : x
  2. Step 2: Convert to fraction form
    372,592,983.20/558,889,474.80 = 370,042,066.40/x
  3. Step 3: Cross multiply
    372,592,983.20x = 558,889,474.80 × 370,042,066.40
  4. Step 4: Simplify right side
    372,592,983.20x = 206,812,616,144,202,688
  5. Step 5: Solve for x
    x = 206,812,616,144,202,688/372,592,983.20
  6. Step 6: Final answer
    x = 555,063,099.60

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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.