Home / 1,298,058,419.70-1,947,087,629.55-377,964,774.90

Finding the Fourth Proportional to 1,298,058,419.70, 1,947,087,629.55 and 377,964,774.90

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Solution

The fourth proportional to 1,298,058,419.70, 1,947,087,629.55 and 377,964,774.90 is: 566,947,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,058,419.70 : 1,947,087,629.55 = 377,964,774.90 : x
  2. Step 2: Convert to fraction form
    1,298,058,419.70/1,947,087,629.55 = 377,964,774.90/x
  3. Step 3: Cross multiply
    1,298,058,419.70x = 1,947,087,629.55 × 377,964,774.90
  4. Step 4: Simplify right side
    1,298,058,419.70x = 735,930,537,613,440,256
  5. Step 5: Solve for x
    x = 735,930,537,613,440,256/1,298,058,419.70
  6. Step 6: Final answer
    x = 566,947,162.35

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Half scale
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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.