Home / 2,990,365,980.12-4,126,788,314.28-1,652,342,739.48

Finding the Fourth Proportional to 2,990,365,980.12, 4,126,788,314.28 and 1,652,342,739.48

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Solution

The fourth proportional to 2,990,365,980.12, 4,126,788,314.28 and 1,652,342,739.48 is: 2,280,278,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,365,980.12 : 4,126,788,314.28 = 1,652,342,739.48 : x
  2. Step 2: Convert to fraction form
    2,990,365,980.12/4,126,788,314.28 = 1,652,342,739.48/x
  3. Step 3: Cross multiply
    2,990,365,980.12x = 4,126,788,314.28 × 1,652,342,739.48
  4. Step 4: Simplify right side
    2,990,365,980.12x = 6,818,868,708,471,467,008
  5. Step 5: Solve for x
    x = 6,818,868,708,471,467,008/2,990,365,980.12
  6. Step 6: Final answer
    x = 2,280,278,987.19

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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.