Home / 9,384,532,111.84-12,950,786,953.20-5,155,834,810.72

Finding the Fourth Proportional to 9,384,532,111.84, 12,950,786,953.20 and 5,155,834,810.72

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Solution

The fourth proportional to 9,384,532,111.84, 12,950,786,953.20 and 5,155,834,810.72 is: 7,115,124,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384,532,111.84 : 12,950,786,953.20 = 5,155,834,810.72 : x
  2. Step 2: Convert to fraction form
    9,384,532,111.84/12,950,786,953.20 = 5,155,834,810.72/x
  3. Step 3: Cross multiply
    9,384,532,111.84x = 12,950,786,953.20 × 5,155,834,810.72
  4. Step 4: Simplify right side
    9,384,532,111.84x = 66,772,118,199,526,973,440
  5. Step 5: Solve for x
    x = 66,772,118,199,526,973,440/9,384,532,111.84
  6. Step 6: Final answer
    x = 7,115,124,910.20

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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.