Home / 372,593,005.20-558,889,507.80-370,042,088.40

Finding the Fourth Proportional to 372,593,005.20, 558,889,507.80 and 370,042,088.40

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Solution

The fourth proportional to 372,593,005.20, 558,889,507.80 and 370,042,088.40 is: 555,063,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,593,005.20 : 558,889,507.80 = 370,042,088.40 : x
  2. Step 2: Convert to fraction form
    372,593,005.20/558,889,507.80 = 370,042,088.40/x
  3. Step 3: Cross multiply
    372,593,005.20x = 558,889,507.80 × 370,042,088.40
  4. Step 4: Simplify right side
    372,593,005.20x = 206,812,640,651,160,064
  5. Step 5: Solve for x
    x = 206,812,640,651,160,064/372,593,005.20
  6. Step 6: Final answer
    x = 555,063,132.60

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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.