Home / 1,751,851,890.92-2,417,570,685.78-999,203,190.15

Finding the Fourth Proportional to 1,751,851,890.92, 2,417,570,685.78 and 999,203,190.15

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Solution

The fourth proportional to 1,751,851,890.92, 2,417,570,685.78 and 999,203,190.15 is: 1,378,909,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,851,890.92 : 2,417,570,685.78 = 999,203,190.15 : x
  2. Step 2: Convert to fraction form
    1,751,851,890.92/2,417,570,685.78 = 999,203,190.15/x
  3. Step 3: Cross multiply
    1,751,851,890.92x = 2,417,570,685.78 × 999,203,190.15
  4. Step 4: Simplify right side
    1,751,851,890.92x = 2,415,644,341,649,767,936
  5. Step 5: Solve for x
    x = 2,415,644,341,649,767,936/1,751,851,890.92
  6. Step 6: Final answer
    x = 1,378,909,001.48

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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.