Home / 984,993,275.16-1,359,289,998.38-538,959,567.24

Finding the Fourth Proportional to 984,993,275.16, 1,359,289,998.38 and 538,959,567.24

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Solution

The fourth proportional to 984,993,275.16, 1,359,289,998.38 and 538,959,567.24 is: 743,763,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,993,275.16 : 1,359,289,998.38 = 538,959,567.24 : x
  2. Step 2: Convert to fraction form
    984,993,275.16/1,359,289,998.38 = 538,959,567.24/x
  3. Step 3: Cross multiply
    984,993,275.16x = 1,359,289,998.38 × 538,959,567.24
  4. Step 4: Simplify right side
    984,993,275.16x = 732,602,349,280,545,152
  5. Step 5: Solve for x
    x = 732,602,349,280,545,152/984,993,275.16
  6. Step 6: Final answer
    x = 743,763,808.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.