Home / 314,928,541.20-472,392,811.80-249,171,574.80

Finding the Fourth Proportional to 314,928,541.20, 472,392,811.80 and 249,171,574.80

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Solution

The fourth proportional to 314,928,541.20, 472,392,811.80 and 249,171,574.80 is: 373,757,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,541.20 : 472,392,811.80 = 249,171,574.80 : x
  2. Step 2: Convert to fraction form
    314,928,541.20/472,392,811.80 = 249,171,574.80/x
  3. Step 3: Cross multiply
    314,928,541.20x = 472,392,811.80 × 249,171,574.80
  4. Step 4: Simplify right side
    314,928,541.20x = 117,706,860,840,406,032
  5. Step 5: Solve for x
    x = 117,706,860,840,406,032/314,928,541.20
  6. Step 6: Final answer
    x = 373,757,362.20

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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.