Home / 834,978,881.52-1,152,239,288.67-463,724,827.74

Finding the Fourth Proportional to 834,978,881.52, 1,152,239,288.67 and 463,724,827.74

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Solution

The fourth proportional to 834,978,881.52, 1,152,239,288.67 and 463,724,827.74 is: 639,922,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,978,881.52 : 1,152,239,288.67 = 463,724,827.74 : x
  2. Step 2: Convert to fraction form
    834,978,881.52/1,152,239,288.67 = 463,724,827.74/x
  3. Step 3: Cross multiply
    834,978,881.52x = 1,152,239,288.67 × 463,724,827.74
  4. Step 4: Simplify right side
    834,978,881.52x = 534,321,965,653,755,904
  5. Step 5: Solve for x
    x = 534,321,965,653,755,904/834,978,881.52
  6. Step 6: Final answer
    x = 639,922,730.36

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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.