Home / 987,113,271.78-1,480,654,961.03-240,136,077.59

Finding the Fourth Proportional to 987,113,271.78, 1,480,654,961.03 and 240,136,077.59

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Solution

The fourth proportional to 987,113,271.78, 1,480,654,961.03 and 240,136,077.59 is: 360,200,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,113,271.78 : 1,480,654,961.03 = 240,136,077.59 : x
  2. Step 2: Convert to fraction form
    987,113,271.78/1,480,654,961.03 = 240,136,077.59/x
  3. Step 3: Cross multiply
    987,113,271.78x = 1,480,654,961.03 × 240,136,077.59
  4. Step 4: Simplify right side
    987,113,271.78x = 355,558,674,597,314,560
  5. Step 5: Solve for x
    x = 355,558,674,597,314,560/987,113,271.78
  6. Step 6: Final answer
    x = 360,200,480.29

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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.