Home / 314,928,280.70-472,392,421.05-283,183,538.30

Finding the Fourth Proportional to 314,928,280.70, 472,392,421.05 and 283,183,538.30

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Solution

The fourth proportional to 314,928,280.70, 472,392,421.05 and 283,183,538.30 is: 424,775,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,280.70 : 472,392,421.05 = 283,183,538.30 : x
  2. Step 2: Convert to fraction form
    314,928,280.70/472,392,421.05 = 283,183,538.30/x
  3. Step 3: Cross multiply
    314,928,280.70x = 472,392,421.05 × 283,183,538.30
  4. Step 4: Simplify right side
    314,928,280.70x = 133,773,757,259,042,416
  5. Step 5: Solve for x
    x = 133,773,757,259,042,416/314,928,280.70
  6. Step 6: Final answer
    x = 424,775,307.45

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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.