Home / 652,478,189.22-900,439,674.39-355,141,932.30

Finding the Fourth Proportional to 652,478,189.22, 900,439,674.39 and 355,141,932.30

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Solution

The fourth proportional to 652,478,189.22, 900,439,674.39 and 355,141,932.30 is: 490,106,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,478,189.22 : 900,439,674.39 = 355,141,932.30 : x
  2. Step 2: Convert to fraction form
    652,478,189.22/900,439,674.39 = 355,141,932.30/x
  3. Step 3: Cross multiply
    652,478,189.22x = 900,439,674.39 × 355,141,932.30
  4. Step 4: Simplify right side
    652,478,189.22x = 319,783,885,882,447,424
  5. Step 5: Solve for x
    x = 319,783,885,882,447,424/652,478,189.22
  6. Step 6: Final answer
    x = 490,106,629.10

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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.