Home / 877,434,017.29-1,316,137,740.01-213,454,289.09

Finding the Fourth Proportional to 877,434,017.29, 1,316,137,740.01 and 213,454,289.09

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Solution

The fourth proportional to 877,434,017.29, 1,316,137,740.01 and 213,454,289.09 is: 320,178,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,434,017.29 : 1,316,137,740.01 = 213,454,289.09 : x
  2. Step 2: Convert to fraction form
    877,434,017.29/1,316,137,740.01 = 213,454,289.09/x
  3. Step 3: Cross multiply
    877,434,017.29x = 1,316,137,740.01 × 213,454,289.09
  4. Step 4: Simplify right side
    877,434,017.29x = 280,935,245,641,110,496
  5. Step 5: Solve for x
    x = 280,935,245,641,110,496/877,434,017.29
  6. Step 6: Final answer
    x = 320,178,201.56

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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.