Home / 314,928,672.20-472,393,008.30-223,095,667.40

Finding the Fourth Proportional to 314,928,672.20, 472,393,008.30 and 223,095,667.40

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Solution

The fourth proportional to 314,928,672.20, 472,393,008.30 and 223,095,667.40 is: 334,643,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,672.20 : 472,393,008.30 = 223,095,667.40 : x
  2. Step 2: Convert to fraction form
    314,928,672.20/472,393,008.30 = 223,095,667.40/x
  3. Step 3: Cross multiply
    314,928,672.20x = 472,393,008.30 × 223,095,667.40
  4. Step 4: Simplify right side
    314,928,672.20x = 105,388,833,461,782,240
  5. Step 5: Solve for x
    x = 105,388,833,461,782,240/314,928,672.20
  6. Step 6: Final answer
    x = 334,643,501.10

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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.