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Finding the Fourth Proportional to 963,671,833.77, 1,329,875,102.12 and 523,638,685.77

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Solution

The fourth proportional to 963,671,833.77, 1,329,875,102.12 and 523,638,685.77 is: 722,625,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,671,833.77 : 1,329,875,102.12 = 523,638,685.77 : x
  2. Step 2: Convert to fraction form
    963,671,833.77/1,329,875,102.12 = 523,638,685.77/x
  3. Step 3: Cross multiply
    963,671,833.77x = 1,329,875,102.12 × 523,638,685.77
  4. Step 4: Simplify right side
    963,671,833.77x = 696,374,050,709,743,104
  5. Step 5: Solve for x
    x = 696,374,050,709,743,104/963,671,833.77
  6. Step 6: Final answer
    x = 722,625,717.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.