Home / 1,556,461,803.30-2,334,692,704.95-1,489,287,660.90

Finding the Fourth Proportional to 1,556,461,803.30, 2,334,692,704.95 and 1,489,287,660.90

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Solution

The fourth proportional to 1,556,461,803.30, 2,334,692,704.95 and 1,489,287,660.90 is: 2,233,931,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,461,803.30 : 2,334,692,704.95 = 1,489,287,660.90 : x
  2. Step 2: Convert to fraction form
    1,556,461,803.30/2,334,692,704.95 = 1,489,287,660.90/x
  3. Step 3: Cross multiply
    1,556,461,803.30x = 2,334,692,704.95 × 1,489,287,660.90
  4. Step 4: Simplify right side
    1,556,461,803.30x = 3,477,029,037,475,279,360
  5. Step 5: Solve for x
    x = 3,477,029,037,475,279,360/1,556,461,803.30
  6. Step 6: Final answer
    x = 2,233,931,491.35

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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.