Home / 990,884,954.40-1,486,280,192.40-335,771,728.80

Finding the Fourth Proportional to 990,884,954.40, 1,486,280,192.40 and 335,771,728.80

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Solution

The fourth proportional to 990,884,954.40, 1,486,280,192.40 and 335,771,728.80 is: 503,641,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,884,954.40 : 1,486,280,192.40 = 335,771,728.80 : x
  2. Step 2: Convert to fraction form
    990,884,954.40/1,486,280,192.40 = 335,771,728.80/x
  3. Step 3: Cross multiply
    990,884,954.40x = 1,486,280,192.40 × 335,771,728.80
  4. Step 4: Simplify right side
    990,884,954.40x = 499,050,869,683,344,640
  5. Step 5: Solve for x
    x = 499,050,869,683,344,640/990,884,954.40
  6. Step 6: Final answer
    x = 503,641,585.70

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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.