Home / 1,207,228,035.60-1,810,842,053.40-430,899,022.80

Finding the Fourth Proportional to 1,207,228,035.60, 1,810,842,053.40 and 430,899,022.80

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Solution

The fourth proportional to 1,207,228,035.60, 1,810,842,053.40 and 430,899,022.80 is: 646,348,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,228,035.60 : 1,810,842,053.40 = 430,899,022.80 : x
  2. Step 2: Convert to fraction form
    1,207,228,035.60/1,810,842,053.40 = 430,899,022.80/x
  3. Step 3: Cross multiply
    1,207,228,035.60x = 1,810,842,053.40 × 430,899,022.80
  4. Step 4: Simplify right side
    1,207,228,035.60x = 780,290,071,255,205,504
  5. Step 5: Solve for x
    x = 780,290,071,255,205,504/1,207,228,035.60
  6. Step 6: Final answer
    x = 646,348,534.20

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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.