Home / 556,020,401.80-834,428,733.90-233,135,998.60

Finding the Fourth Proportional to 556,020,401.80, 834,428,733.90 and 233,135,998.60

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Solution

The fourth proportional to 556,020,401.80, 834,428,733.90 and 233,135,998.60 is: 349,870,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,020,401.80 : 834,428,733.90 = 233,135,998.60 : x
  2. Step 2: Convert to fraction form
    556,020,401.80/834,428,733.90 = 233,135,998.60/x
  3. Step 3: Cross multiply
    556,020,401.80x = 834,428,733.90 × 233,135,998.60
  4. Step 4: Simplify right side
    556,020,401.80x = 194,535,376,138,310,176
  5. Step 5: Solve for x
    x = 194,535,376,138,310,176/556,020,401.80
  6. Step 6: Final answer
    x = 349,870,931.91

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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.