Home / 304,927,780,953.46-421,404,094,045.64-249,908,173,977.07

Finding the Fourth Proportional to 304,927,780,953.46, 421,404,094,045.64 and 249,908,173,977.07

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Solution

The fourth proportional to 304,927,780,953.46, 421,404,094,045.64 and 249,908,173,977.07 is: 345,368,097,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,927,780,953.46 : 421,404,094,045.64 = 249,908,173,977.07 : x
  2. Step 2: Convert to fraction form
    304,927,780,953.46/421,404,094,045.64 = 249,908,173,977.07/x
  3. Step 3: Cross multiply
    304,927,780,953.46x = 421,404,094,045.64 × 249,908,173,977.07
  4. Step 4: Simplify right side
    304,927,780,953.46x = 105,312,327,649,407,375,769,600
  5. Step 5: Solve for x
    x = 105,312,327,649,407,375,769,600/304,927,780,953.46
  6. Step 6: Final answer
    x = 345,368,097,718.46

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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.