Home / 1,124,728,423.11-1,552,007,062.69-622,924,061.54

Finding the Fourth Proportional to 1,124,728,423.11, 1,552,007,062.69 and 622,924,061.54

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Solution

The fourth proportional to 1,124,728,423.11, 1,552,007,062.69 and 622,924,061.54 is: 859,569,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,728,423.11 : 1,552,007,062.69 = 622,924,061.54 : x
  2. Step 2: Convert to fraction form
    1,124,728,423.11/1,552,007,062.69 = 622,924,061.54/x
  3. Step 3: Cross multiply
    1,124,728,423.11x = 1,552,007,062.69 × 622,924,061.54
  4. Step 4: Simplify right side
    1,124,728,423.11x = 966,782,543,020,302,848
  5. Step 5: Solve for x
    x = 966,782,543,020,302,848/1,124,728,423.11
  6. Step 6: Final answer
    x = 859,569,762.05

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Double scale
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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.