Home / 1,417,178,752.40-2,125,768,128.60-834,613,128.20

Finding the Fourth Proportional to 1,417,178,752.40, 2,125,768,128.60 and 834,613,128.20

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Solution

The fourth proportional to 1,417,178,752.40, 2,125,768,128.60 and 834,613,128.20 is: 1,251,919,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,178,752.40 : 2,125,768,128.60 = 834,613,128.20 : x
  2. Step 2: Convert to fraction form
    1,417,178,752.40/2,125,768,128.60 = 834,613,128.20/x
  3. Step 3: Cross multiply
    1,417,178,752.40x = 2,125,768,128.60 × 834,613,128.20
  4. Step 4: Simplify right side
    1,417,178,752.40x = 1,774,193,987,638,705,920
  5. Step 5: Solve for x
    x = 1,774,193,987,638,705,920/1,417,178,752.40
  6. Step 6: Final answer
    x = 1,251,919,692.30

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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.