Home / 1,381,930,056.63-2,072,895,084.95-461,806,395.30

Finding the Fourth Proportional to 1,381,930,056.63, 2,072,895,084.95 and 461,806,395.30

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Solution

The fourth proportional to 1,381,930,056.63, 2,072,895,084.95 and 461,806,395.30 is: 692,709,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,930,056.63 : 2,072,895,084.95 = 461,806,395.30 : x
  2. Step 2: Convert to fraction form
    1,381,930,056.63/2,072,895,084.95 = 461,806,395.30/x
  3. Step 3: Cross multiply
    1,381,930,056.63x = 2,072,895,084.95 × 461,806,395.30
  4. Step 4: Simplify right side
    1,381,930,056.63x = 957,276,207,013,537,792
  5. Step 5: Solve for x
    x = 957,276,207,013,537,792/1,381,930,056.63
  6. Step 6: Final answer
    x = 692,709,592.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.