Home / 453,195,909.80-679,793,864.70-146,707,980.20

Finding the Fourth Proportional to 453,195,909.80, 679,793,864.70 and 146,707,980.20

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Solution

The fourth proportional to 453,195,909.80, 679,793,864.70 and 146,707,980.20 is: 220,061,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,195,909.80 : 679,793,864.70 = 146,707,980.20 : x
  2. Step 2: Convert to fraction form
    453,195,909.80/679,793,864.70 = 146,707,980.20/x
  3. Step 3: Cross multiply
    453,195,909.80x = 679,793,864.70 × 146,707,980.20
  4. Step 4: Simplify right side
    453,195,909.80x = 99,731,184,842,489,072
  5. Step 5: Solve for x
    x = 99,731,184,842,489,072/453,195,909.80
  6. Step 6: Final answer
    x = 220,061,970.30

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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.