Home / 695,290,221.20-1,042,935,331.80-235,243,398.80

Finding the Fourth Proportional to 695,290,221.20, 1,042,935,331.80 and 235,243,398.80

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Solution

The fourth proportional to 695,290,221.20, 1,042,935,331.80 and 235,243,398.80 is: 352,865,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,290,221.20 : 1,042,935,331.80 = 235,243,398.80 : x
  2. Step 2: Convert to fraction form
    695,290,221.20/1,042,935,331.80 = 235,243,398.80/x
  3. Step 3: Cross multiply
    695,290,221.20x = 1,042,935,331.80 × 235,243,398.80
  4. Step 4: Simplify right side
    695,290,221.20x = 245,343,652,181,237,728
  5. Step 5: Solve for x
    x = 245,343,652,181,237,728/695,290,221.20
  6. Step 6: Final answer
    x = 352,865,098.20

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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.