Home / 688,307,261,591.86-949,866,974,045.40-375,454,463,302.14

Finding the Fourth Proportional to 688,307,261,591.86, 949,866,974,045.40 and 375,454,463,302.14

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Solution

The fourth proportional to 688,307,261,591.86, 949,866,974,045.40 and 375,454,463,302.14 is: 518,128,770,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,591.86 : 949,866,974,045.40 = 375,454,463,302.14 : x
  2. Step 2: Convert to fraction form
    688,307,261,591.86/949,866,974,045.40 = 375,454,463,302.14/x
  3. Step 3: Cross multiply
    688,307,261,591.86x = 949,866,974,045.40 × 375,454,463,302.14
  4. Step 4: Simplify right side
    688,307,261,591.86x = 356,631,794,948,643,424,829,440
  5. Step 5: Solve for x
    x = 356,631,794,948,643,424,829,440/688,307,261,591.86
  6. Step 6: Final answer
    x = 518,128,770,171.41

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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.