Home / 917,996,823.47-1,377,265,398.32-296,200,390.70

Finding the Fourth Proportional to 917,996,823.47, 1,377,265,398.32 and 296,200,390.70

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Solution

The fourth proportional to 917,996,823.47, 1,377,265,398.32 and 296,200,390.70 is: 444,387,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,996,823.47 : 1,377,265,398.32 = 296,200,390.70 : x
  2. Step 2: Convert to fraction form
    917,996,823.47/1,377,265,398.32 = 296,200,390.70/x
  3. Step 3: Cross multiply
    917,996,823.47x = 1,377,265,398.32 × 296,200,390.70
  4. Step 4: Simplify right side
    917,996,823.47x = 407,946,549,079,975,104
  5. Step 5: Solve for x
    x = 407,946,549,079,975,104/917,996,823.47
  6. Step 6: Final answer
    x = 444,387,756.74

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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.