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Finding the Fourth Proportional to 793,019,920.78, 1,094,128,834.96 and 475,364,264.01

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Solution

The fourth proportional to 793,019,920.78, 1,094,128,834.96 and 475,364,264.01 is: 655,859,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,019,920.78 : 1,094,128,834.96 = 475,364,264.01 : x
  2. Step 2: Convert to fraction form
    793,019,920.78/1,094,128,834.96 = 475,364,264.01/x
  3. Step 3: Cross multiply
    793,019,920.78x = 1,094,128,834.96 × 475,364,264.01
  4. Step 4: Simplify right side
    793,019,920.78x = 520,109,748,362,879,168
  5. Step 5: Solve for x
    x = 520,109,748,362,879,168/793,019,920.78
  6. Step 6: Final answer
    x = 655,859,625.63

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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.