Home / 520,732,428.77-781,174,871.73-244,411,710.63

Finding the Fourth Proportional to 520,732,428.77, 781,174,871.73 and 244,411,710.63

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Solution

The fourth proportional to 520,732,428.77, 781,174,871.73 and 244,411,710.63 is: 366,653,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,732,428.77 : 781,174,871.73 = 244,411,710.63 : x
  2. Step 2: Convert to fraction form
    520,732,428.77/781,174,871.73 = 244,411,710.63/x
  3. Step 3: Cross multiply
    520,732,428.77x = 781,174,871.73 × 244,411,710.63
  4. Step 4: Simplify right side
    520,732,428.77x = 190,928,286,703,054,816
  5. Step 5: Solve for x
    x = 190,928,286,703,054,816/520,732,428.77
  6. Step 6: Final answer
    x = 366,653,344.70

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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.