Home / 613,772,807.13-921,241,266.61-379,896,065.02

Finding the Fourth Proportional to 613,772,807.13, 921,241,266.61 and 379,896,065.02

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Solution

The fourth proportional to 613,772,807.13, 921,241,266.61 and 379,896,065.02 is: 570,204,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,772,807.13 : 921,241,266.61 = 379,896,065.02 : x
  2. Step 2: Convert to fraction form
    613,772,807.13/921,241,266.61 = 379,896,065.02/x
  3. Step 3: Cross multiply
    613,772,807.13x = 921,241,266.61 × 379,896,065.02
  4. Step 4: Simplify right side
    613,772,807.13x = 349,975,932,117,351,488
  5. Step 5: Solve for x
    x = 349,975,932,117,351,488/613,772,807.13
  6. Step 6: Final answer
    x = 570,204,362.35

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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.