Home / 1,180,135,908.32-1,628,544,859.02-651,488,543.13

Finding the Fourth Proportional to 1,180,135,908.32, 1,628,544,859.02 and 651,488,543.13

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Solution

The fourth proportional to 1,180,135,908.32, 1,628,544,859.02 and 651,488,543.13 is: 899,030,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,135,908.32 : 1,628,544,859.02 = 651,488,543.13 : x
  2. Step 2: Convert to fraction form
    1,180,135,908.32/1,628,544,859.02 = 651,488,543.13/x
  3. Step 3: Cross multiply
    1,180,135,908.32x = 1,628,544,859.02 × 651,488,543.13
  4. Step 4: Simplify right side
    1,180,135,908.32x = 1,060,978,317,630,898,048
  5. Step 5: Solve for x
    x = 1,060,978,317,630,898,048/1,180,135,908.32
  6. Step 6: Final answer
    x = 899,030,620.25

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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.