Home / 999,769,583.84-1,499,752,938.72-344,634,361.52

Finding the Fourth Proportional to 999,769,583.84, 1,499,752,938.72 and 344,634,361.52

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Solution

The fourth proportional to 999,769,583.84, 1,499,752,938.72 and 344,634,361.52 is: 516,985,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,769,583.84 : 1,499,752,938.72 = 344,634,361.52 : x
  2. Step 2: Convert to fraction form
    999,769,583.84/1,499,752,938.72 = 344,634,361.52/x
  3. Step 3: Cross multiply
    999,769,583.84x = 1,499,752,938.72 × 344,634,361.52
  4. Step 4: Simplify right side
    999,769,583.84x = 516,866,396,473,510,848
  5. Step 5: Solve for x
    x = 516,866,396,473,510,848/999,769,583.84
  6. Step 6: Final answer
    x = 516,985,518.29

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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.