Home / 1,345,632,680.30-2,018,440,550.57-724,140,663.59

Finding the Fourth Proportional to 1,345,632,680.30, 2,018,440,550.57 and 724,140,663.59

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Solution

The fourth proportional to 1,345,632,680.30, 2,018,440,550.57 and 724,140,663.59 is: 1,086,206,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,632,680.30 : 2,018,440,550.57 = 724,140,663.59 : x
  2. Step 2: Convert to fraction form
    1,345,632,680.30/2,018,440,550.57 = 724,140,663.59/x
  3. Step 3: Cross multiply
    1,345,632,680.30x = 2,018,440,550.57 × 724,140,663.59
  4. Step 4: Simplify right side
    1,345,632,680.30x = 1,461,634,879,708,150,016
  5. Step 5: Solve for x
    x = 1,461,634,879,708,150,016/1,345,632,680.30
  6. Step 6: Final answer
    x = 1,086,206,437.40

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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.