Home / 1,073,872,486,987.50-1,483,882,533,492.20-764,687,065,862.95

Finding the Fourth Proportional to 1,073,872,486,987.50, 1,483,882,533,492.20 and 764,687,065,862.95

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Solution

The fourth proportional to 1,073,872,486,987.50, 1,483,882,533,492.20 and 764,687,065,862.95 is: 1,056,648,526,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,872,486,987.50 : 1,483,882,533,492.20 = 764,687,065,862.95 : x
  2. Step 2: Convert to fraction form
    1,073,872,486,987.50/1,483,882,533,492.20 = 764,687,065,862.95/x
  3. Step 3: Cross multiply
    1,073,872,486,987.50x = 1,483,882,533,492.20 × 764,687,065,862.95
  4. Step 4: Simplify right side
    1,073,872,486,987.50x = 1,134,705,780,621,430,900,129,792
  5. Step 5: Solve for x
    x = 1,134,705,780,621,430,900,129,792/1,073,872,486,987.50
  6. Step 6: Final answer
    x = 1,056,648,526,124.91

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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.