Home / 1,119,746,458.60-1,679,619,687.90-684,389,991.40

Finding the Fourth Proportional to 1,119,746,458.60, 1,679,619,687.90 and 684,389,991.40

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Solution

The fourth proportional to 1,119,746,458.60, 1,679,619,687.90 and 684,389,991.40 is: 1,026,584,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,746,458.60 : 1,679,619,687.90 = 684,389,991.40 : x
  2. Step 2: Convert to fraction form
    1,119,746,458.60/1,679,619,687.90 = 684,389,991.40/x
  3. Step 3: Cross multiply
    1,119,746,458.60x = 1,679,619,687.90 × 684,389,991.40
  4. Step 4: Simplify right side
    1,119,746,458.60x = 1,149,514,903,757,151,744
  5. Step 5: Solve for x
    x = 1,149,514,903,757,151,744/1,119,746,458.60
  6. Step 6: Final answer
    x = 1,026,584,987.10

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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.