Home / 1,279,411,650.28-1,919,117,475.36-310,063,266.28

Finding the Fourth Proportional to 1,279,411,650.28, 1,919,117,475.36 and 310,063,266.28

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Solution

The fourth proportional to 1,279,411,650.28, 1,919,117,475.36 and 310,063,266.28 is: 465,094,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,411,650.28 : 1,919,117,475.36 = 310,063,266.28 : x
  2. Step 2: Convert to fraction form
    1,279,411,650.28/1,919,117,475.36 = 310,063,266.28/x
  3. Step 3: Cross multiply
    1,279,411,650.28x = 1,919,117,475.36 × 310,063,266.28
  4. Step 4: Simplify right side
    1,279,411,650.28x = 595,047,832,785,148,928
  5. Step 5: Solve for x
    x = 595,047,832,785,148,928/1,279,411,650.28
  6. Step 6: Final answer
    x = 465,094,899.41

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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.