Home / 372,592,985.20-558,889,477.80-370,042,068.40

Finding the Fourth Proportional to 372,592,985.20, 558,889,477.80 and 370,042,068.40

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Solution

The fourth proportional to 372,592,985.20, 558,889,477.80 and 370,042,068.40 is: 555,063,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,592,985.20 : 558,889,477.80 = 370,042,068.40 : x
  2. Step 2: Convert to fraction form
    372,592,985.20/558,889,477.80 = 370,042,068.40/x
  3. Step 3: Cross multiply
    372,592,985.20x = 558,889,477.80 × 370,042,068.40
  4. Step 4: Simplify right side
    372,592,985.20x = 206,812,618,372,107,840
  5. Step 5: Solve for x
    x = 206,812,618,372,107,840/372,592,985.20
  6. Step 6: Final answer
    x = 555,063,102.60

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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.