Home / 1,097,888,641.94-1,646,852,645.97-398,877,208.76

Finding the Fourth Proportional to 1,097,888,641.94, 1,646,852,645.97 and 398,877,208.76

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Solution

The fourth proportional to 1,097,888,641.94, 1,646,852,645.97 and 398,877,208.76 is: 598,322,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,888,641.94 : 1,646,852,645.97 = 398,877,208.76 : x
  2. Step 2: Convert to fraction form
    1,097,888,641.94/1,646,852,645.97 = 398,877,208.76/x
  3. Step 3: Cross multiply
    1,097,888,641.94x = 1,646,852,645.97 × 398,877,208.76
  4. Step 4: Simplify right side
    1,097,888,641.94x = 656,891,986,655,299,840
  5. Step 5: Solve for x
    x = 656,891,986,655,299,840/1,097,888,641.94
  6. Step 6: Final answer
    x = 598,322,964.25

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1.5x scale

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.