Home / 517,812,758.48-714,579,428.04-286,025,750.48

Finding the Fourth Proportional to 517,812,758.48, 714,579,428.04 and 286,025,750.48

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Solution

The fourth proportional to 517,812,758.48, 714,579,428.04 and 286,025,750.48 is: 394,714,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,812,758.48 : 714,579,428.04 = 286,025,750.48 : x
  2. Step 2: Convert to fraction form
    517,812,758.48/714,579,428.04 = 286,025,750.48/x
  3. Step 3: Cross multiply
    517,812,758.48x = 714,579,428.04 × 286,025,750.48
  4. Step 4: Simplify right side
    517,812,758.48x = 204,388,117,182,710,144
  5. Step 5: Solve for x
    x = 204,388,117,182,710,144/517,812,758.48
  6. Step 6: Final answer
    x = 394,714,332.23

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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.