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Finding the Fourth Proportional to 885,736,015.70, 1,328,604,023.55 and 593,018,312.90

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Solution

The fourth proportional to 885,736,015.70, 1,328,604,023.55 and 593,018,312.90 is: 889,527,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,015.70 : 1,328,604,023.55 = 593,018,312.90 : x
  2. Step 2: Convert to fraction form
    885,736,015.70/1,328,604,023.55 = 593,018,312.90/x
  3. Step 3: Cross multiply
    885,736,015.70x = 1,328,604,023.55 × 593,018,312.90
  4. Step 4: Simplify right side
    885,736,015.70x = 787,886,516,557,772,800
  5. Step 5: Solve for x
    x = 787,886,516,557,772,800/885,736,015.70
  6. Step 6: Final answer
    x = 889,527,469.35

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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.