Home / 10,172,974,686.78-14,038,716,706.40-5,656,756,774.79

Finding the Fourth Proportional to 10,172,974,686.78, 14,038,716,706.40 and 5,656,756,774.79

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Solution

The fourth proportional to 10,172,974,686.78, 14,038,716,706.40 and 5,656,756,774.79 is: 7,806,330,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172,974,686.78 : 14,038,716,706.40 = 5,656,756,774.79 : x
  2. Step 2: Convert to fraction form
    10,172,974,686.78/14,038,716,706.40 = 5,656,756,774.79/x
  3. Step 3: Cross multiply
    10,172,974,686.78x = 14,038,716,706.40 × 5,656,756,774.79
  4. Step 4: Simplify right side
    10,172,974,686.78x = 79,413,605,838,339,227,648
  5. Step 5: Solve for x
    x = 79,413,605,838,339,227,648/10,172,974,686.78
  6. Step 6: Final answer
    x = 7,806,330,820.97

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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.