Home / 14,302,912,569.93-19,737,862,706.57-7,872,595,065.47

Finding the Fourth Proportional to 14,302,912,569.93, 19,737,862,706.57 and 7,872,595,065.47

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Solution

The fourth proportional to 14,302,912,569.93, 19,737,862,706.57 and 7,872,595,065.47 is: 10,864,094,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302,912,569.93 : 19,737,862,706.57 = 7,872,595,065.47 : x
  2. Step 2: Convert to fraction form
    14,302,912,569.93/19,737,862,706.57 = 7,872,595,065.47/x
  3. Step 3: Cross multiply
    14,302,912,569.93x = 19,737,862,706.57 × 7,872,595,065.47
  4. Step 4: Simplify right side
    14,302,912,569.93x = 155,388,200,546,687,156,224
  5. Step 5: Solve for x
    x = 155,388,200,546,687,156,224/14,302,912,569.93
  6. Step 6: Final answer
    x = 10,864,094,972.75

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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.