Home / 2,985,986,129.40-4,478,979,194.10-2,603,780,177.40

Finding the Fourth Proportional to 2,985,986,129.40, 4,478,979,194.10 and 2,603,780,177.40

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Solution

The fourth proportional to 2,985,986,129.40, 4,478,979,194.10 and 2,603,780,177.40 is: 3,905,670,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,986,129.40 : 4,478,979,194.10 = 2,603,780,177.40 : x
  2. Step 2: Convert to fraction form
    2,985,986,129.40/4,478,979,194.10 = 2,603,780,177.40/x
  3. Step 3: Cross multiply
    2,985,986,129.40x = 4,478,979,194.10 × 2,603,780,177.40
  4. Step 4: Simplify right side
    2,985,986,129.40x = 11,662,277,240,584,607,744
  5. Step 5: Solve for x
    x = 11,662,277,240,584,607,744/2,985,986,129.40
  6. Step 6: Final answer
    x = 3,905,670,266.10

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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.