Home / 1,499,765,140.80-2,249,647,711.20-530,416,756.80

Finding the Fourth Proportional to 1,499,765,140.80, 2,249,647,711.20 and 530,416,756.80

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Solution

The fourth proportional to 1,499,765,140.80, 2,249,647,711.20 and 530,416,756.80 is: 795,625,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,765,140.80 : 2,249,647,711.20 = 530,416,756.80 : x
  2. Step 2: Convert to fraction form
    1,499,765,140.80/2,249,647,711.20 = 530,416,756.80/x
  3. Step 3: Cross multiply
    1,499,765,140.80x = 2,249,647,711.20 × 530,416,756.80
  4. Step 4: Simplify right side
    1,499,765,140.80x = 1,193,250,842,917,246,976
  5. Step 5: Solve for x
    x = 1,193,250,842,917,246,976/1,499,765,140.80
  6. Step 6: Final answer
    x = 795,625,135.20

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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.