Home / 790,355,056.50-1,185,535,187.10-200,144,973.06

Finding the Fourth Proportional to 790,355,056.50, 1,185,535,187.10 and 200,144,973.06

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Solution

The fourth proportional to 790,355,056.50, 1,185,535,187.10 and 200,144,973.06 is: 300,218,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,355,056.50 : 1,185,535,187.10 = 200,144,973.06 : x
  2. Step 2: Convert to fraction form
    790,355,056.50/1,185,535,187.10 = 200,144,973.06/x
  3. Step 3: Cross multiply
    790,355,056.50x = 1,185,535,187.10 × 200,144,973.06
  4. Step 4: Simplify right side
    790,355,056.50x = 237,278,908,083,811,552
  5. Step 5: Solve for x
    x = 237,278,908,083,811,552/790,355,056.50
  6. Step 6: Final answer
    x = 300,218,118.59

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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.