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Finding the Fourth Proportional to 566,249,673.67, 781,448,793.58 and 315,354,064.84

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Solution

The fourth proportional to 566,249,673.67, 781,448,793.58 and 315,354,064.84 is: 435,202,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,249,673.67 : 781,448,793.58 = 315,354,064.84 : x
  2. Step 2: Convert to fraction form
    566,249,673.67/781,448,793.58 = 315,354,064.84/x
  3. Step 3: Cross multiply
    566,249,673.67x = 781,448,793.58 × 315,354,064.84
  4. Step 4: Simplify right side
    566,249,673.67x = 246,433,053,519,767,104
  5. Step 5: Solve for x
    x = 246,433,053,519,767,104/566,249,673.67
  6. Step 6: Final answer
    x = 435,202,111.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.