Home / 1,296,890,982,849.40-1,944,944,816,373.60-390,088,068,753.45

Finding the Fourth Proportional to 1,296,890,982,849.40, 1,944,944,816,373.60 and 390,088,068,753.45

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Solution

The fourth proportional to 1,296,890,982,849.40, 1,944,944,816,373.60 and 390,088,068,753.45 is: 585,014,297,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,890,982,849.40 : 1,944,944,816,373.60 = 390,088,068,753.45 : x
  2. Step 2: Convert to fraction form
    1,296,890,982,849.40/1,944,944,816,373.60 = 390,088,068,753.45/x
  3. Step 3: Cross multiply
    1,296,890,982,849.40x = 1,944,944,816,373.60 × 390,088,068,753.45
  4. Step 4: Simplify right side
    1,296,890,982,849.40x = 758,699,767,251,211,118,444,544
  5. Step 5: Solve for x
    x = 758,699,767,251,211,118,444,544/1,296,890,982,849.40
  6. Step 6: Final answer
    x = 585,014,297,488.81

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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.