Home / 821,932,723.96-1,232,710,423.98-490,033,647.70

Finding the Fourth Proportional to 821,932,723.96, 1,232,710,423.98 and 490,033,647.70

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Solution

The fourth proportional to 821,932,723.96, 1,232,710,423.98 and 490,033,647.70 is: 734,937,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,932,723.96 : 1,232,710,423.98 = 490,033,647.70 : x
  2. Step 2: Convert to fraction form
    821,932,723.96/1,232,710,423.98 = 490,033,647.70/x
  3. Step 3: Cross multiply
    821,932,723.96x = 1,232,710,423.98 × 490,033,647.70
  4. Step 4: Simplify right side
    821,932,723.96x = 604,069,585,620,732,928
  5. Step 5: Solve for x
    x = 604,069,585,620,732,928/821,932,723.96
  6. Step 6: Final answer
    x = 734,937,991.90

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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.