Home / 966,860,280.60-1,450,290,420.90-320,544,043.80

Finding the Fourth Proportional to 966,860,280.60, 1,450,290,420.90 and 320,544,043.80

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Solution

The fourth proportional to 966,860,280.60, 1,450,290,420.90 and 320,544,043.80 is: 480,816,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,860,280.60 : 1,450,290,420.90 = 320,544,043.80 : x
  2. Step 2: Convert to fraction form
    966,860,280.60/1,450,290,420.90 = 320,544,043.80/x
  3. Step 3: Cross multiply
    966,860,280.60x = 1,450,290,420.90 × 320,544,043.80
  4. Step 4: Simplify right side
    966,860,280.60x = 464,881,956,199,690,112
  5. Step 5: Solve for x
    x = 464,881,956,199,690,112/966,860,280.60
  6. Step 6: Final answer
    x = 480,816,065.70

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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.