Home / 704,128,547.60-1,056,192,821.40-513,025,571.60

Finding the Fourth Proportional to 704,128,547.60, 1,056,192,821.40 and 513,025,571.60

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Solution

The fourth proportional to 704,128,547.60, 1,056,192,821.40 and 513,025,571.60 is: 769,538,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,128,547.60 : 1,056,192,821.40 = 513,025,571.60 : x
  2. Step 2: Convert to fraction form
    704,128,547.60/1,056,192,821.40 = 513,025,571.60/x
  3. Step 3: Cross multiply
    704,128,547.60x = 1,056,192,821.40 × 513,025,571.60
  4. Step 4: Simplify right side
    704,128,547.60x = 541,853,925,918,551,744
  5. Step 5: Solve for x
    x = 541,853,925,918,551,744/704,128,547.60
  6. Step 6: Final answer
    x = 769,538,357.40

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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.