Home / 304,927,780,951.46-421,404,094,042.88-249,908,173,975.07

Finding the Fourth Proportional to 304,927,780,951.46, 421,404,094,042.88 and 249,908,173,975.07

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Solution

The fourth proportional to 304,927,780,951.46, 421,404,094,042.88 and 249,908,173,975.07 is: 345,368,097,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,927,780,951.46 : 421,404,094,042.88 = 249,908,173,975.07 : x
  2. Step 2: Convert to fraction form
    304,927,780,951.46/421,404,094,042.88 = 249,908,173,975.07/x
  3. Step 3: Cross multiply
    304,927,780,951.46x = 421,404,094,042.88 × 249,908,173,975.07
  4. Step 4: Simplify right side
    304,927,780,951.46x = 105,312,327,647,874,810,642,432
  5. Step 5: Solve for x
    x = 105,312,327,647,874,810,642,432/304,927,780,951.46
  6. Step 6: Final answer
    x = 345,368,097,715.70

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1.5x scale

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.