Home / 890,530,452.44-1,228,931,547.93-488,646,840.02

Finding the Fourth Proportional to 890,530,452.44, 1,228,931,547.93 and 488,646,840.02

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Solution

The fourth proportional to 890,530,452.44, 1,228,931,547.93 and 488,646,840.02 is: 674,332,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,530,452.44 : 1,228,931,547.93 = 488,646,840.02 : x
  2. Step 2: Convert to fraction form
    890,530,452.44/1,228,931,547.93 = 488,646,840.02/x
  3. Step 3: Cross multiply
    890,530,452.44x = 1,228,931,547.93 × 488,646,840.02
  4. Step 4: Simplify right side
    890,530,452.44x = 600,513,517,503,526,144
  5. Step 5: Solve for x
    x = 600,513,517,503,526,144/890,530,452.44
  6. Step 6: Final answer
    x = 674,332,377.81

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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.