Home / 1,303,924,686.28-1,955,947,587.72-418,646,171.50

Finding the Fourth Proportional to 1,303,924,686.28, 1,955,947,587.72 and 418,646,171.50

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Solution

The fourth proportional to 1,303,924,686.28, 1,955,947,587.72 and 418,646,171.50 is: 627,988,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,924,686.28 : 1,955,947,587.72 = 418,646,171.50 : x
  2. Step 2: Convert to fraction form
    1,303,924,686.28/1,955,947,587.72 = 418,646,171.50/x
  3. Step 3: Cross multiply
    1,303,924,686.28x = 1,955,947,587.72 × 418,646,171.50
  4. Step 4: Simplify right side
    1,303,924,686.28x = 818,849,969,253,638,400
  5. Step 5: Solve for x
    x = 818,849,969,253,638,400/1,303,924,686.28
  6. Step 6: Final answer
    x = 627,988,700.47

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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.