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Finding the Fourth Proportional to 922,272,017.60, 1,383,408,026.40 and 833,308,794.20

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Solution

The fourth proportional to 922,272,017.60, 1,383,408,026.40 and 833,308,794.20 is: 1,249,963,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,272,017.60 : 1,383,408,026.40 = 833,308,794.20 : x
  2. Step 2: Convert to fraction form
    922,272,017.60/1,383,408,026.40 = 833,308,794.20/x
  3. Step 3: Cross multiply
    922,272,017.60x = 1,383,408,026.40 × 833,308,794.20
  4. Step 4: Simplify right side
    922,272,017.60x = 1,152,806,074,365,985,920
  5. Step 5: Solve for x
    x = 1,152,806,074,365,985,920/922,272,017.60
  6. Step 6: Final answer
    x = 1,249,963,191.30

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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.