Home / 877,434,044.92-1,316,137,781.46-213,454,316.74

Finding the Fourth Proportional to 877,434,044.92, 1,316,137,781.46 and 213,454,316.74

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Solution

The fourth proportional to 877,434,044.92, 1,316,137,781.46 and 213,454,316.74 is: 320,178,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,434,044.92 : 1,316,137,781.46 = 213,454,316.74 : x
  2. Step 2: Convert to fraction form
    877,434,044.92/1,316,137,781.46 = 213,454,316.74/x
  3. Step 3: Cross multiply
    877,434,044.92x = 1,316,137,781.46 × 213,454,316.74
  4. Step 4: Simplify right side
    877,434,044.92x = 280,935,290,877,243,776
  5. Step 5: Solve for x
    x = 280,935,290,877,243,776/877,434,044.92
  6. Step 6: Final answer
    x = 320,178,243.03

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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.