Home / 695,290,231.20-1,042,935,346.80-235,243,408.80

Finding the Fourth Proportional to 695,290,231.20, 1,042,935,346.80 and 235,243,408.80

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Solution

The fourth proportional to 695,290,231.20, 1,042,935,346.80 and 235,243,408.80 is: 352,865,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,290,231.20 : 1,042,935,346.80 = 235,243,408.80 : x
  2. Step 2: Convert to fraction form
    695,290,231.20/1,042,935,346.80 = 235,243,408.80/x
  3. Step 3: Cross multiply
    695,290,231.20x = 1,042,935,346.80 × 235,243,408.80
  4. Step 4: Simplify right side
    695,290,231.20x = 245,343,666,139,242,176
  5. Step 5: Solve for x
    x = 245,343,666,139,242,176/695,290,231.20
  6. Step 6: Final answer
    x = 352,865,113.20

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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.