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Finding the Fourth Proportional to 613,249,010.10, 919,873,515.15 and 613,249,010.10

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Solution

The fourth proportional to 613,249,010.10, 919,873,515.15 and 613,249,010.10 is: 919,873,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,249,010.10 : 919,873,515.15 = 613,249,010.10 : x
  2. Step 2: Convert to fraction form
    613,249,010.10/919,873,515.15 = 613,249,010.10/x
  3. Step 3: Cross multiply
    613,249,010.10x = 919,873,515.15 × 613,249,010.10
  4. Step 4: Simplify right side
    613,249,010.10x = 564,111,522,582,944,832
  5. Step 5: Solve for x
    x = 564,111,522,582,944,832/613,249,010.10
  6. Step 6: Final answer
    x = 919,873,515.15

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Double scale
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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.