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Finding the Fourth Proportional to 922,278,003.60, 1,383,417,005.40 and 833,314,780.20

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Solution

The fourth proportional to 922,278,003.60, 1,383,417,005.40 and 833,314,780.20 is: 1,249,972,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,278,003.60 : 1,383,417,005.40 = 833,314,780.20 : x
  2. Step 2: Convert to fraction form
    922,278,003.60/1,383,417,005.40 = 833,314,780.20/x
  3. Step 3: Cross multiply
    922,278,003.60x = 1,383,417,005.40 × 833,314,780.20
  4. Step 4: Simplify right side
    922,278,003.60x = 1,152,821,837,779,843,328
  5. Step 5: Solve for x
    x = 1,152,821,837,779,843,328/922,278,003.60
  6. Step 6: Final answer
    x = 1,249,972,170.30

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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.