Home / 562,139,084.31-775,776,178.74-311,243,480.93

Finding the Fourth Proportional to 562,139,084.31, 775,776,178.74 and 311,243,480.93

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Solution

The fourth proportional to 562,139,084.31, 775,776,178.74 and 311,243,480.93 is: 429,529,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,139,084.31 : 775,776,178.74 = 311,243,480.93 : x
  2. Step 2: Convert to fraction form
    562,139,084.31/775,776,178.74 = 311,243,480.93/x
  3. Step 3: Cross multiply
    562,139,084.31x = 775,776,178.74 × 311,243,480.93
  4. Step 4: Simplify right side
    562,139,084.31x = 241,455,278,289,732,608
  5. Step 5: Solve for x
    x = 241,455,278,289,732,608/562,139,084.31
  6. Step 6: Final answer
    x = 429,529,426.13

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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.