Home / 862,464,673.60-1,293,697,010.40-655,840,412.80

Finding the Fourth Proportional to 862,464,673.60, 1,293,697,010.40 and 655,840,412.80

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Solution

The fourth proportional to 862,464,673.60, 1,293,697,010.40 and 655,840,412.80 is: 983,760,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,464,673.60 : 1,293,697,010.40 = 655,840,412.80 : x
  2. Step 2: Convert to fraction form
    862,464,673.60/1,293,697,010.40 = 655,840,412.80/x
  3. Step 3: Cross multiply
    862,464,673.60x = 1,293,697,010.40 × 655,840,412.80
  4. Step 4: Simplify right side
    862,464,673.60x = 848,458,781,338,861,952
  5. Step 5: Solve for x
    x = 848,458,781,338,861,952/862,464,673.60
  6. Step 6: Final answer
    x = 983,760,619.20

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1.5x scale

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.