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Finding the Fourth Proportional to 1,057,751,698.40, 1,586,627,547.60 and 627,770,002.40

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Solution

The fourth proportional to 1,057,751,698.40, 1,586,627,547.60 and 627,770,002.40 is: 941,655,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,751,698.40 : 1,586,627,547.60 = 627,770,002.40 : x
  2. Step 2: Convert to fraction form
    1,057,751,698.40/1,586,627,547.60 = 627,770,002.40/x
  3. Step 3: Cross multiply
    1,057,751,698.40x = 1,586,627,547.60 × 627,770,002.40
  4. Step 4: Simplify right side
    1,057,751,698.40x = 996,037,179,364,758,016
  5. Step 5: Solve for x
    x = 996,037,179,364,758,016/1,057,751,698.40
  6. Step 6: Final answer
    x = 941,655,003.60

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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.