Home / 708,533,643.60-1,062,728,707.10-191,016,397.80

Finding the Fourth Proportional to 708,533,643.60, 1,062,728,707.10 and 191,016,397.80

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Solution

The fourth proportional to 708,533,643.60, 1,062,728,707.10 and 191,016,397.80 is: 286,505,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,533,643.60 : 1,062,728,707.10 = 191,016,397.80 : x
  2. Step 2: Convert to fraction form
    708,533,643.60/1,062,728,707.10 = 191,016,397.80/x
  3. Step 3: Cross multiply
    708,533,643.60x = 1,062,728,707.10 × 191,016,397.80
  4. Step 4: Simplify right side
    708,533,643.60x = 202,998,609,467,938,208
  5. Step 5: Solve for x
    x = 202,998,609,467,938,208/708,533,643.60
  6. Step 6: Final answer
    x = 286,505,251.09

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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.