Home / 687,085,001.60-959,878,268.80-687,085,001.60

Finding the Fourth Proportional to 687,085,001.60, 959,878,268.80 and 687,085,001.60

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Solution

The fourth proportional to 687,085,001.60, 959,878,268.80 and 687,085,001.60 is: 959,878,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,085,001.60 : 959,878,268.80 = 687,085,001.60 : x
  2. Step 2: Convert to fraction form
    687,085,001.60/959,878,268.80 = 687,085,001.60/x
  3. Step 3: Cross multiply
    687,085,001.60x = 959,878,268.80 × 687,085,001.60
  4. Step 4: Simplify right side
    687,085,001.60x = 659,517,961,854,253,184
  5. Step 5: Solve for x
    x = 659,517,961,854,253,184/687,085,001.60
  6. Step 6: Final answer
    x = 959,878,268.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.