Home / 668,282,209.86-922,154,653.89-370,936,984.56

Finding the Fourth Proportional to 668,282,209.86, 922,154,653.89 and 370,936,984.56

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Solution

The fourth proportional to 668,282,209.86, 922,154,653.89 and 370,936,984.56 is: 511,851,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,282,209.86 : 922,154,653.89 = 370,936,984.56 : x
  2. Step 2: Convert to fraction form
    668,282,209.86/922,154,653.89 = 370,936,984.56/x
  3. Step 3: Cross multiply
    668,282,209.86x = 922,154,653.89 × 370,936,984.56
  4. Step 4: Simplify right side
    668,282,209.86x = 342,061,266,611,927,040
  5. Step 5: Solve for x
    x = 342,061,266,611,927,040/668,282,209.86
  6. Step 6: Final answer
    x = 511,851,522.55

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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.