Home / 917,996,803.66-1,377,265,368.40-296,200,370.91

Finding the Fourth Proportional to 917,996,803.66, 1,377,265,368.40 and 296,200,370.91

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Solution

The fourth proportional to 917,996,803.66, 1,377,265,368.40 and 296,200,370.91 is: 444,387,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,996,803.66 : 1,377,265,368.40 = 296,200,370.91 : x
  2. Step 2: Convert to fraction form
    917,996,803.66/1,377,265,368.40 = 296,200,370.91/x
  3. Step 3: Cross multiply
    917,996,803.66x = 1,377,265,368.40 × 296,200,370.91
  4. Step 4: Simplify right side
    917,996,803.66x = 407,946,512,963,168,640
  5. Step 5: Solve for x
    x = 407,946,512,963,168,640/917,996,803.66
  6. Step 6: Final answer
    x = 444,387,726.99

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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.