Home / 314,928,779.40-472,393,169.10-238,401,275.40

Finding the Fourth Proportional to 314,928,779.40, 472,393,169.10 and 238,401,275.40

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Solution

The fourth proportional to 314,928,779.40, 472,393,169.10 and 238,401,275.40 is: 357,601,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,779.40 : 472,393,169.10 = 238,401,275.40 : x
  2. Step 2: Convert to fraction form
    314,928,779.40/472,393,169.10 = 238,401,275.40/x
  3. Step 3: Cross multiply
    314,928,779.40x = 472,393,169.10 × 238,401,275.40
  4. Step 4: Simplify right side
    314,928,779.40x = 112,619,134,003,687,872
  5. Step 5: Solve for x
    x = 112,619,134,003,687,872/314,928,779.40
  6. Step 6: Final answer
    x = 357,601,913.10

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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.