Home / 1,345,632,616.36-2,018,440,454.70-724,140,599.72

Finding the Fourth Proportional to 1,345,632,616.36, 2,018,440,454.70 and 724,140,599.72

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Solution

The fourth proportional to 1,345,632,616.36, 2,018,440,454.70 and 724,140,599.72 is: 1,086,206,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,632,616.36 : 2,018,440,454.70 = 724,140,599.72 : x
  2. Step 2: Convert to fraction form
    1,345,632,616.36/2,018,440,454.70 = 724,140,599.72/x
  3. Step 3: Cross multiply
    1,345,632,616.36x = 2,018,440,454.70 × 724,140,599.72
  4. Step 4: Simplify right side
    1,345,632,616.36x = 1,461,634,681,365,567,488
  5. Step 5: Solve for x
    x = 1,461,634,681,365,567,488/1,345,632,616.36
  6. Step 6: Final answer
    x = 1,086,206,341.61

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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.