Home / 15,212,779,430.40-22,819,169,145.60-4,171,277,779.20

Finding the Fourth Proportional to 15,212,779,430.40, 22,819,169,145.60 and 4,171,277,779.20

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Solution

The fourth proportional to 15,212,779,430.40, 22,819,169,145.60 and 4,171,277,779.20 is: 6,256,916,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212,779,430.40 : 22,819,169,145.60 = 4,171,277,779.20 : x
  2. Step 2: Convert to fraction form
    15,212,779,430.40/22,819,169,145.60 = 4,171,277,779.20/x
  3. Step 3: Cross multiply
    15,212,779,430.40x = 22,819,169,145.60 × 4,171,277,779.20
  4. Step 4: Simplify right side
    15,212,779,430.40x = 95,185,093,196,847,513,600
  5. Step 5: Solve for x
    x = 95,185,093,196,847,513,600/15,212,779,430.40
  6. Step 6: Final answer
    x = 6,256,916,668.80

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Double scale
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Similar ratio
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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.