Home / 517,812,756.48-714,579,425.28-286,025,748.48

Finding the Fourth Proportional to 517,812,756.48, 714,579,425.28 and 286,025,748.48

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Solution

The fourth proportional to 517,812,756.48, 714,579,425.28 and 286,025,748.48 is: 394,714,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,812,756.48 : 714,579,425.28 = 286,025,748.48 : x
  2. Step 2: Convert to fraction form
    517,812,756.48/714,579,425.28 = 286,025,748.48/x
  3. Step 3: Cross multiply
    517,812,756.48x = 714,579,425.28 × 286,025,748.48
  4. Step 4: Simplify right side
    517,812,756.48x = 204,388,114,964,120,224
  5. Step 5: Solve for x
    x = 204,388,114,964,120,224/517,812,756.48
  6. Step 6: Final answer
    x = 394,714,329.47

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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.