Home / 3,840,762,492.89-5,300,368,686.63-2,147,288,490.17

Finding the Fourth Proportional to 3,840,762,492.89, 5,300,368,686.63 and 2,147,288,490.17

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Solution

The fourth proportional to 3,840,762,492.89, 5,300,368,686.63 and 2,147,288,490.17 is: 2,963,323,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,762,492.89 : 5,300,368,686.63 = 2,147,288,490.17 : x
  2. Step 2: Convert to fraction form
    3,840,762,492.89/5,300,368,686.63 = 2,147,288,490.17/x
  3. Step 3: Cross multiply
    3,840,762,492.89x = 5,300,368,686.63 × 2,147,288,490.17
  4. Step 4: Simplify right side
    3,840,762,492.89x = 11,381,420,674,420,840,448
  5. Step 5: Solve for x
    x = 11,381,420,674,420,840,448/3,840,762,492.89
  6. Step 6: Final answer
    x = 2,963,323,219.15

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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.