Home / 813,963,527.84-1,221,349,125.52-322,666,412.96

Finding the Fourth Proportional to 813,963,527.84, 1,221,349,125.52 and 322,666,412.96

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Solution

The fourth proportional to 813,963,527.84, 1,221,349,125.52 and 322,666,412.96 is: 484,159,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,963,527.84 : 1,221,349,125.52 = 322,666,412.96 : x
  2. Step 2: Convert to fraction form
    813,963,527.84/1,221,349,125.52 = 322,666,412.96/x
  3. Step 3: Cross multiply
    813,963,527.84x = 1,221,349,125.52 × 322,666,412.96
  4. Step 4: Simplify right side
    813,963,527.84x = 394,088,341,303,371,136
  5. Step 5: Solve for x
    x = 394,088,341,303,371,136/813,963,527.84
  6. Step 6: Final answer
    x = 484,159,704.73

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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.