Home / 368,422,960,094.80-552,634,440,142.20-103,427,345,618.80

Finding the Fourth Proportional to 368,422,960,094.80, 552,634,440,142.20 and 103,427,345,618.80

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Solution

The fourth proportional to 368,422,960,094.80, 552,634,440,142.20 and 103,427,345,618.80 is: 155,141,018,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,422,960,094.80 : 552,634,440,142.20 = 103,427,345,618.80 : x
  2. Step 2: Convert to fraction form
    368,422,960,094.80/552,634,440,142.20 = 103,427,345,618.80/x
  3. Step 3: Cross multiply
    368,422,960,094.80x = 552,634,440,142.20 × 103,427,345,618.80
  4. Step 4: Simplify right side
    368,422,960,094.80x = 57,157,513,241,439,359,729,664
  5. Step 5: Solve for x
    x = 57,157,513,241,439,359,729,664/368,422,960,094.80
  6. Step 6: Final answer
    x = 155,141,018,428.20

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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.