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Finding the Fourth Proportional to 4,921,510,602.64, 6,791,726,978.88 and 2,807,073,603.28

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Solution

The fourth proportional to 4,921,510,602.64, 6,791,726,978.88 and 2,807,073,603.28 is: 3,873,785,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,510,602.64 : 6,791,726,978.88 = 2,807,073,603.28 : x
  2. Step 2: Convert to fraction form
    4,921,510,602.64/6,791,726,978.88 = 2,807,073,603.28/x
  3. Step 3: Cross multiply
    4,921,510,602.64x = 6,791,726,978.88 × 2,807,073,603.28
  4. Step 4: Simplify right side
    4,921,510,602.64x = 19,064,877,523,098,673,152
  5. Step 5: Solve for x
    x = 19,064,877,523,098,673,152/4,921,510,602.64
  6. Step 6: Final answer
    x = 3,873,785,726.05

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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.