Home / 1,816,872,746.40-2,725,309,119.60-990,375,703.20

Finding the Fourth Proportional to 1,816,872,746.40, 2,725,309,119.60 and 990,375,703.20

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Solution

The fourth proportional to 1,816,872,746.40, 2,725,309,119.60 and 990,375,703.20 is: 1,485,563,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,872,746.40 : 2,725,309,119.60 = 990,375,703.20 : x
  2. Step 2: Convert to fraction form
    1,816,872,746.40/2,725,309,119.60 = 990,375,703.20/x
  3. Step 3: Cross multiply
    1,816,872,746.40x = 2,725,309,119.60 × 990,375,703.20
  4. Step 4: Simplify right side
    1,816,872,746.40x = 2,699,079,935,761,223,168
  5. Step 5: Solve for x
    x = 2,699,079,935,761,223,168/1,816,872,746.40
  6. Step 6: Final answer
    x = 1,485,563,554.80

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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.