Home / 762,701,956.80-1,144,202,234.40-326,001,796.80

Finding the Fourth Proportional to 762,701,956.80, 1,144,202,234.40 and 326,001,796.80

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Solution

The fourth proportional to 762,701,956.80, 1,144,202,234.40 and 326,001,796.80 is: 489,066,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,701,956.80 : 1,144,202,234.40 = 326,001,796.80 : x
  2. Step 2: Convert to fraction form
    762,701,956.80/1,144,202,234.40 = 326,001,796.80/x
  3. Step 3: Cross multiply
    762,701,956.80x = 1,144,202,234.40 × 326,001,796.80
  4. Step 4: Simplify right side
    762,701,956.80x = 373,011,984,316,974,784
  5. Step 5: Solve for x
    x = 373,011,984,316,974,784/762,701,956.80
  6. Step 6: Final answer
    x = 489,066,510.18

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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.