Home / 1,456,551,657.90-2,184,827,486.85-1,288,191,149.10

Finding the Fourth Proportional to 1,456,551,657.90, 2,184,827,486.85 and 1,288,191,149.10

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Solution

The fourth proportional to 1,456,551,657.90, 2,184,827,486.85 and 1,288,191,149.10 is: 1,932,286,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,551,657.90 : 2,184,827,486.85 = 1,288,191,149.10 : x
  2. Step 2: Convert to fraction form
    1,456,551,657.90/2,184,827,486.85 = 1,288,191,149.10/x
  3. Step 3: Cross multiply
    1,456,551,657.90x = 2,184,827,486.85 × 1,288,191,149.10
  4. Step 4: Simplify right side
    1,456,551,657.90x = 2,814,475,430,870,566,400
  5. Step 5: Solve for x
    x = 2,814,475,430,870,566,400/1,456,551,657.90
  6. Step 6: Final answer
    x = 1,932,286,723.65

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Double scale
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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.