Home / 877,433,972.70-1,316,137,673.03-213,454,244.51

Finding the Fourth Proportional to 877,433,972.70, 1,316,137,673.03 and 213,454,244.51

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Solution

The fourth proportional to 877,433,972.70, 1,316,137,673.03 and 213,454,244.51 is: 320,178,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,433,972.70 : 1,316,137,673.03 = 213,454,244.51 : x
  2. Step 2: Convert to fraction form
    877,433,972.70/1,316,137,673.03 = 213,454,244.51/x
  3. Step 3: Cross multiply
    877,433,972.70x = 1,316,137,673.03 × 213,454,244.51
  4. Step 4: Simplify right side
    877,433,972.70x = 280,935,172,660,120,096
  5. Step 5: Solve for x
    x = 280,935,172,660,120,096/877,433,972.70
  6. Step 6: Final answer
    x = 320,178,134.65

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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.