Home / 1,119,744,110.60-1,679,616,165.90-659,445,345.80

Finding the Fourth Proportional to 1,119,744,110.60, 1,679,616,165.90 and 659,445,345.80

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Solution

The fourth proportional to 1,119,744,110.60, 1,679,616,165.90 and 659,445,345.80 is: 989,168,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,110.60 : 1,679,616,165.90 = 659,445,345.80 : x
  2. Step 2: Convert to fraction form
    1,119,744,110.60/1,679,616,165.90 = 659,445,345.80/x
  3. Step 3: Cross multiply
    1,119,744,110.60x = 1,679,616,165.90 × 659,445,345.80
  4. Step 4: Simplify right side
    1,119,744,110.60x = 1,107,615,063,333,195,648
  5. Step 5: Solve for x
    x = 1,107,615,063,333,195,648/1,119,744,110.60
  6. Step 6: Final answer
    x = 989,168,018.70

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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.