Home / 656,208,623.40-984,312,935.10-646,004,956.20

Finding the Fourth Proportional to 656,208,623.40, 984,312,935.10 and 646,004,956.20

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Solution

The fourth proportional to 656,208,623.40, 984,312,935.10 and 646,004,956.20 is: 969,007,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,208,623.40 : 984,312,935.10 = 646,004,956.20 : x
  2. Step 2: Convert to fraction form
    656,208,623.40/984,312,935.10 = 646,004,956.20/x
  3. Step 3: Cross multiply
    656,208,623.40x = 984,312,935.10 × 646,004,956.20
  4. Step 4: Simplify right side
    656,208,623.40x = 635,871,034,526,369,024
  5. Step 5: Solve for x
    x = 635,871,034,526,369,024/656,208,623.40
  6. Step 6: Final answer
    x = 969,007,434.30

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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.