Home / 436,421,304,059.60-654,631,956,089.40-257,897,942,728.40

Finding the Fourth Proportional to 436,421,304,059.60, 654,631,956,089.40 and 257,897,942,728.40

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Solution

The fourth proportional to 436,421,304,059.60, 654,631,956,089.40 and 257,897,942,728.40 is: 386,846,914,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,421,304,059.60 : 654,631,956,089.40 = 257,897,942,728.40 : x
  2. Step 2: Convert to fraction form
    436,421,304,059.60/654,631,956,089.40 = 257,897,942,728.40/x
  3. Step 3: Cross multiply
    436,421,304,059.60x = 654,631,956,089.40 × 257,897,942,728.40
  4. Step 4: Simplify right side
    436,421,304,059.60x = 168,828,234,719,724,549,701,632
  5. Step 5: Solve for x
    x = 168,828,234,719,724,549,701,632/436,421,304,059.60
  6. Step 6: Final answer
    x = 386,846,914,092.60

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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.