Home / 769,824,552.80-1,155,068,605.20-446,984,386.40

Finding the Fourth Proportional to 769,824,552.80, 1,155,068,605.20 and 446,984,386.40

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Solution

The fourth proportional to 769,824,552.80, 1,155,068,605.20 and 446,984,386.40 is: 670,669,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,552.80 : 1,155,068,605.20 = 446,984,386.40 : x
  2. Step 2: Convert to fraction form
    769,824,552.80/1,155,068,605.20 = 446,984,386.40/x
  3. Step 3: Cross multiply
    769,824,552.80x = 1,155,068,605.20 × 446,984,386.40
  4. Step 4: Simplify right side
    769,824,552.80x = 516,297,631,745,225,856
  5. Step 5: Solve for x
    x = 516,297,631,745,225,856/769,824,552.80
  6. Step 6: Final answer
    x = 670,669,219.20

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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.