Home / 703,403,142.32-1,053,772,936.32-469,528,653.08

Finding the Fourth Proportional to 703,403,142.32, 1,053,772,936.32 and 469,528,653.08

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Solution

The fourth proportional to 703,403,142.32, 1,053,772,936.32 and 469,528,653.08 is: 703,404,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,403,142.32 : 1,053,772,936.32 = 469,528,653.08 : x
  2. Step 2: Convert to fraction form
    703,403,142.32/1,053,772,936.32 = 469,528,653.08/x
  3. Step 3: Cross multiply
    703,403,142.32x = 1,053,772,936.32 × 469,528,653.08
  4. Step 4: Simplify right side
    703,403,142.32x = 494,776,587,442,486,208
  5. Step 5: Solve for x
    x = 494,776,587,442,486,208/703,403,142.32
  6. Step 6: Final answer
    x = 703,404,005.01

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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.