Home / 370,681,461.52-511,544,275.74-203,428,555.63

Finding the Fourth Proportional to 370,681,461.52, 511,544,275.74 and 203,428,555.63

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Solution

The fourth proportional to 370,681,461.52, 511,544,275.74 and 203,428,555.63 is: 280,733,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,681,461.52 : 511,544,275.74 = 203,428,555.63 : x
  2. Step 2: Convert to fraction form
    370,681,461.52/511,544,275.74 = 203,428,555.63/x
  3. Step 3: Cross multiply
    370,681,461.52x = 511,544,275.74 × 203,428,555.63
  4. Step 4: Simplify right side
    370,681,461.52x = 104,062,713,154,582,656
  5. Step 5: Solve for x
    x = 104,062,713,154,582,656/370,681,461.52
  6. Step 6: Final answer
    x = 280,733,524.49

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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.