Home / 1,019,828,588.40-1,532,010,364.20-981,281,401.20

Finding the Fourth Proportional to 1,019,828,588.40, 1,532,010,364.20 and 981,281,401.20

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Solution

The fourth proportional to 1,019,828,588.40, 1,532,010,364.20 and 981,281,401.20 is: 1,474,103,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,828,588.40 : 1,532,010,364.20 = 981,281,401.20 : x
  2. Step 2: Convert to fraction form
    1,019,828,588.40/1,532,010,364.20 = 981,281,401.20/x
  3. Step 3: Cross multiply
    1,019,828,588.40x = 1,532,010,364.20 × 981,281,401.20
  4. Step 4: Simplify right side
    1,019,828,588.40x = 1,503,333,276,835,098,368
  5. Step 5: Solve for x
    x = 1,503,333,276,835,098,368/1,019,828,588.40
  6. Step 6: Final answer
    x = 1,474,103,877.78

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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.