Home / 877,966,966.95-1,316,951,019.04-222,967,115.43

Finding the Fourth Proportional to 877,966,966.95, 1,316,951,019.04 and 222,967,115.43

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Solution

The fourth proportional to 877,966,966.95, 1,316,951,019.04 and 222,967,115.43 is: 334,450,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,966,966.95 : 1,316,951,019.04 = 222,967,115.43 : x
  2. Step 2: Convert to fraction form
    877,966,966.95/1,316,951,019.04 = 222,967,115.43/x
  3. Step 3: Cross multiply
    877,966,966.95x = 1,316,951,019.04 × 222,967,115.43
  4. Step 4: Simplify right side
    877,966,966.95x = 293,636,769,877,947,840
  5. Step 5: Solve for x
    x = 293,636,769,877,947,840/877,966,966.95
  6. Step 6: Final answer
    x = 334,450,817.55

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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.