Home / 1,407,918,491.61-2,111,958,443.12-372,752,473.83

Finding the Fourth Proportional to 1,407,918,491.61, 2,111,958,443.12 and 372,752,473.83

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Solution

The fourth proportional to 1,407,918,491.61, 2,111,958,443.12 and 372,752,473.83 is: 559,150,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,918,491.61 : 2,111,958,443.12 = 372,752,473.83 : x
  2. Step 2: Convert to fraction form
    1,407,918,491.61/2,111,958,443.12 = 372,752,473.83/x
  3. Step 3: Cross multiply
    1,407,918,491.61x = 2,111,958,443.12 × 372,752,473.83
  4. Step 4: Simplify right side
    1,407,918,491.61x = 787,237,734,297,271,552
  5. Step 5: Solve for x
    x = 787,237,734,297,271,552/1,407,918,491.61
  6. Step 6: Final answer
    x = 559,150,077.93

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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.