Home / 453,312,705.80-679,969,058.70-146,635,819.40

Finding the Fourth Proportional to 453,312,705.80, 679,969,058.70 and 146,635,819.40

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Solution

The fourth proportional to 453,312,705.80, 679,969,058.70 and 146,635,819.40 is: 219,953,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,312,705.80 : 679,969,058.70 = 146,635,819.40 : x
  2. Step 2: Convert to fraction form
    453,312,705.80/679,969,058.70 = 146,635,819.40/x
  3. Step 3: Cross multiply
    453,312,705.80x = 679,969,058.70 × 146,635,819.40
  4. Step 4: Simplify right side
    453,312,705.80x = 99,707,820,089,121,216
  5. Step 5: Solve for x
    x = 99,707,820,089,121,216/453,312,705.80
  6. Step 6: Final answer
    x = 219,953,729.10

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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.