Home / 980,190,000.20-1,470,285,000.30-974,450,437.40

Finding the Fourth Proportional to 980,190,000.20, 1,470,285,000.30 and 974,450,437.40

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Solution

The fourth proportional to 980,190,000.20, 1,470,285,000.30 and 974,450,437.40 is: 1,461,675,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,190,000.20 : 1,470,285,000.30 = 974,450,437.40 : x
  2. Step 2: Convert to fraction form
    980,190,000.20/1,470,285,000.30 = 974,450,437.40/x
  3. Step 3: Cross multiply
    980,190,000.20x = 1,470,285,000.30 × 974,450,437.40
  4. Step 4: Simplify right side
    980,190,000.20x = 1,432,719,861,644,994,048
  5. Step 5: Solve for x
    x = 1,432,719,861,644,994,048/980,190,000.20
  6. Step 6: Final answer
    x = 1,461,675,656.10

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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.