Home / 1,425,952,017.98-2,137,418,400.74-479,649,240.74

Finding the Fourth Proportional to 1,425,952,017.98, 2,137,418,400.74 and 479,649,240.74

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Solution

The fourth proportional to 1,425,952,017.98, 2,137,418,400.74 and 479,649,240.74 is: 718,966,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,952,017.98 : 2,137,418,400.74 = 479,649,240.74 : x
  2. Step 2: Convert to fraction form
    1,425,952,017.98/2,137,418,400.74 = 479,649,240.74/x
  3. Step 3: Cross multiply
    1,425,952,017.98x = 2,137,418,400.74 × 479,649,240.74
  4. Step 4: Simplify right side
    1,425,952,017.98x = 1,025,211,113,058,646,016
  5. Step 5: Solve for x
    x = 1,025,211,113,058,646,016/1,425,952,017.98
  6. Step 6: Final answer
    x = 718,966,066.27

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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.