Home / 1,359,911,213.40-2,039,866,820.10-440,447,424.60

Finding the Fourth Proportional to 1,359,911,213.40, 2,039,866,820.10 and 440,447,424.60

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Solution

The fourth proportional to 1,359,911,213.40, 2,039,866,820.10 and 440,447,424.60 is: 660,671,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,911,213.40 : 2,039,866,820.10 = 440,447,424.60 : x
  2. Step 2: Convert to fraction form
    1,359,911,213.40/2,039,866,820.10 = 440,447,424.60/x
  3. Step 3: Cross multiply
    1,359,911,213.40x = 2,039,866,820.10 × 440,447,424.60
  4. Step 4: Simplify right side
    1,359,911,213.40x = 898,454,087,440,036,480
  5. Step 5: Solve for x
    x = 898,454,087,440,036,480/1,359,911,213.40
  6. Step 6: Final answer
    x = 660,671,136.90

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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.