Home / 3,498,336,440.80-5,249,520,200.40-1,318,866,719.20

Finding the Fourth Proportional to 3,498,336,440.80, 5,249,520,200.40 and 1,318,866,719.20

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Solution

The fourth proportional to 3,498,336,440.80, 5,249,520,200.40 and 1,318,866,719.20 is: 1,979,059,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,336,440.80 : 5,249,520,200.40 = 1,318,866,719.20 : x
  2. Step 2: Convert to fraction form
    3,498,336,440.80/5,249,520,200.40 = 1,318,866,719.20/x
  3. Step 3: Cross multiply
    3,498,336,440.80x = 5,249,520,200.40 × 1,318,866,719.20
  4. Step 4: Simplify right side
    3,498,336,440.80x = 6,923,417,484,075,674,624
  5. Step 5: Solve for x
    x = 6,923,417,484,075,674,624/3,498,336,440.80
  6. Step 6: Final answer
    x = 1,979,059,933.55

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1.5x scale

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.