Home / 1,055,280,099.20-1,582,920,148.80-885,974,806.40

Finding the Fourth Proportional to 1,055,280,099.20, 1,582,920,148.80 and 885,974,806.40

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Solution

The fourth proportional to 1,055,280,099.20, 1,582,920,148.80 and 885,974,806.40 is: 1,328,962,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,280,099.20 : 1,582,920,148.80 = 885,974,806.40 : x
  2. Step 2: Convert to fraction form
    1,055,280,099.20/1,582,920,148.80 = 885,974,806.40/x
  3. Step 3: Cross multiply
    1,055,280,099.20x = 1,582,920,148.80 × 885,974,806.40
  4. Step 4: Simplify right side
    1,055,280,099.20x = 1,402,427,372,379,739,136
  5. Step 5: Solve for x
    x = 1,402,427,372,379,739,136/1,055,280,099.20
  6. Step 6: Final answer
    x = 1,328,962,209.60

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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.