Home / 304,927,780,959.46-421,404,094,053.92-249,908,173,983.08

Finding the Fourth Proportional to 304,927,780,959.46, 421,404,094,053.92 and 249,908,173,983.08

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Solution

The fourth proportional to 304,927,780,959.46, 421,404,094,053.92 and 249,908,173,983.08 is: 345,368,097,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,927,780,959.46 : 421,404,094,053.92 = 249,908,173,983.08 : x
  2. Step 2: Convert to fraction form
    304,927,780,959.46/421,404,094,053.92 = 249,908,173,983.08/x
  3. Step 3: Cross multiply
    304,927,780,959.46x = 421,404,094,053.92 × 249,908,173,983.08
  4. Step 4: Simplify right side
    304,927,780,959.46x = 105,312,327,654,009,231,900,672
  5. Step 5: Solve for x
    x = 105,312,327,654,009,231,900,672/304,927,780,959.46
  6. Step 6: Final answer
    x = 345,368,097,726.76

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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.