Home / 423,417,623.42-634,908,359.78-190,048,273.69

Finding the Fourth Proportional to 423,417,623.42, 634,908,359.78 and 190,048,273.69

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Solution

The fourth proportional to 423,417,623.42, 634,908,359.78 and 190,048,273.69 is: 284,974,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,417,623.42 : 634,908,359.78 = 190,048,273.69 : x
  2. Step 2: Convert to fraction form
    423,417,623.42/634,908,359.78 = 190,048,273.69/x
  3. Step 3: Cross multiply
    423,417,623.42x = 634,908,359.78 × 190,048,273.69
  4. Step 4: Simplify right side
    423,417,623.42x = 120,663,237,727,538,416
  5. Step 5: Solve for x
    x = 120,663,237,727,538,416/423,417,623.42
  6. Step 6: Final answer
    x = 284,974,528.82

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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.