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Finding the Fourth Proportional to 922,278,006.60, 1,383,417,009.90 and 833,314,783.20

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Solution

The fourth proportional to 922,278,006.60, 1,383,417,009.90 and 833,314,783.20 is: 1,249,972,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,278,006.60 : 1,383,417,009.90 = 833,314,783.20 : x
  2. Step 2: Convert to fraction form
    922,278,006.60/1,383,417,009.90 = 833,314,783.20/x
  3. Step 3: Cross multiply
    922,278,006.60x = 1,383,417,009.90 × 833,314,783.20
  4. Step 4: Simplify right side
    922,278,006.60x = 1,152,821,845,680,010,880
  5. Step 5: Solve for x
    x = 1,152,821,845,680,010,880/922,278,006.60
  6. Step 6: Final answer
    x = 1,249,972,174.80

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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.