Home / 290,373,464.98-400,710,314.28-158,215,555.45

Finding the Fourth Proportional to 290,373,464.98, 400,710,314.28 and 158,215,555.45

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Solution

The fourth proportional to 290,373,464.98, 400,710,314.28 and 158,215,555.45 is: 218,334,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,373,464.98 : 400,710,314.28 = 158,215,555.45 : x
  2. Step 2: Convert to fraction form
    290,373,464.98/400,710,314.28 = 158,215,555.45/x
  3. Step 3: Cross multiply
    290,373,464.98x = 400,710,314.28 × 158,215,555.45
  4. Step 4: Simplify right side
    290,373,464.98x = 63,398,604,948,354,256
  5. Step 5: Solve for x
    x = 63,398,604,948,354,256/290,373,464.98
  6. Step 6: Final answer
    x = 218,334,705.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.