Home / 658,535,307.63-908,519,496.80-380,023,015.47

Finding the Fourth Proportional to 658,535,307.63, 908,519,496.80 and 380,023,015.47

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Solution

The fourth proportional to 658,535,307.63, 908,519,496.80 and 380,023,015.47 is: 524,282,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,535,307.63 : 908,519,496.80 = 380,023,015.47 : x
  2. Step 2: Convert to fraction form
    658,535,307.63/908,519,496.80 = 380,023,015.47/x
  3. Step 3: Cross multiply
    658,535,307.63x = 908,519,496.80 × 380,023,015.47
  4. Step 4: Simplify right side
    658,535,307.63x = 345,258,318,785,322,880
  5. Step 5: Solve for x
    x = 345,258,318,785,322,880/658,535,307.63
  6. Step 6: Final answer
    x = 524,282,167.99

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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.