Home / 821,625,930.45-1,133,960,056.61-508,461,031.53

Finding the Fourth Proportional to 821,625,930.45, 1,133,960,056.61 and 508,461,031.53

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Solution

The fourth proportional to 821,625,930.45, 1,133,960,056.61 and 508,461,031.53 is: 701,748,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,625,930.45 : 1,133,960,056.61 = 508,461,031.53 : x
  2. Step 2: Convert to fraction form
    821,625,930.45/1,133,960,056.61 = 508,461,031.53/x
  3. Step 3: Cross multiply
    821,625,930.45x = 1,133,960,056.61 × 508,461,031.53
  4. Step 4: Simplify right side
    821,625,930.45x = 576,574,500,095,195,520
  5. Step 5: Solve for x
    x = 576,574,500,095,195,520/821,625,930.45
  6. Step 6: Final answer
    x = 701,748,178.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.