Home / 3,221,209,405.10-4,445,199,305.20-1,864,900,503.81

Finding the Fourth Proportional to 3,221,209,405.10, 4,445,199,305.20 and 1,864,900,503.81

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Solution

The fourth proportional to 3,221,209,405.10, 4,445,199,305.20 and 1,864,900,503.81 is: 2,573,522,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,209,405.10 : 4,445,199,305.20 = 1,864,900,503.81 : x
  2. Step 2: Convert to fraction form
    3,221,209,405.10/4,445,199,305.20 = 1,864,900,503.81/x
  3. Step 3: Cross multiply
    3,221,209,405.10x = 4,445,199,305.20 × 1,864,900,503.81
  4. Step 4: Simplify right side
    3,221,209,405.10x = 8,289,854,423,803,341,824
  5. Step 5: Solve for x
    x = 8,289,854,423,803,341,824/3,221,209,405.10
  6. Step 6: Final answer
    x = 2,573,522,357.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.