Home / 1,215,262,459.20-1,822,943,455.20-353,619,451.20

Finding the Fourth Proportional to 1,215,262,459.20, 1,822,943,455.20 and 353,619,451.20

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Solution

The fourth proportional to 1,215,262,459.20, 1,822,943,455.20 and 353,619,451.20 is: 530,443,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,262,459.20 : 1,822,943,455.20 = 353,619,451.20 : x
  2. Step 2: Convert to fraction form
    1,215,262,459.20/1,822,943,455.20 = 353,619,451.20/x
  3. Step 3: Cross multiply
    1,215,262,459.20x = 1,822,943,455.20 × 353,619,451.20
  4. Step 4: Simplify right side
    1,215,262,459.20x = 644,628,264,196,455,808
  5. Step 5: Solve for x
    x = 644,628,264,196,455,808/1,215,262,459.20
  6. Step 6: Final answer
    x = 530,443,657.92

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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.