Home / 5,284,051,948.79-7,291,560,411.89-3,111,072,737.45

Finding the Fourth Proportional to 5,284,051,948.79, 7,291,560,411.89 and 3,111,072,737.45

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Solution

The fourth proportional to 5,284,051,948.79, 7,291,560,411.89 and 3,111,072,737.45 is: 4,293,026,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284,051,948.79 : 7,291,560,411.89 = 3,111,072,737.45 : x
  2. Step 2: Convert to fraction form
    5,284,051,948.79/7,291,560,411.89 = 3,111,072,737.45/x
  3. Step 3: Cross multiply
    5,284,051,948.79x = 7,291,560,411.89 × 3,111,072,737.45
  4. Step 4: Simplify right side
    5,284,051,948.79x = 22,684,574,810,900,672,512
  5. Step 5: Solve for x
    x = 22,684,574,810,900,672,512/5,284,051,948.79
  6. Step 6: Final answer
    x = 4,293,026,455.97

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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.