Home / 10,779,928,466.24-16,155,438,975.52-8,389,766,120.24

Finding the Fourth Proportional to 10,779,928,466.24, 16,155,438,975.52 and 8,389,766,120.24

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Solution

The fourth proportional to 10,779,928,466.24, 16,155,438,975.52 and 8,389,766,120.24 is: 12,573,400,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,928,466.24 : 16,155,438,975.52 = 8,389,766,120.24 : x
  2. Step 2: Convert to fraction form
    10,779,928,466.24/16,155,438,975.52 = 8,389,766,120.24/x
  3. Step 3: Cross multiply
    10,779,928,466.24x = 16,155,438,975.52 × 8,389,766,120.24
  4. Step 4: Simplify right side
    10,779,928,466.24x = 135,540,354,574,437,744,640
  5. Step 5: Solve for x
    x = 135,540,354,574,437,744,640/10,779,928,466.24
  6. Step 6: Final answer
    x = 12,573,400,185.25

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Double scale
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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.