Home / 431,746,194.81-647,656,377.38-151,603,030.01

Finding the Fourth Proportional to 431,746,194.81, 647,656,377.38 and 151,603,030.01

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Solution

The fourth proportional to 431,746,194.81, 647,656,377.38 and 151,603,030.01 is: 227,417,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,746,194.81 : 647,656,377.38 = 151,603,030.01 : x
  2. Step 2: Convert to fraction form
    431,746,194.81/647,656,377.38 = 151,603,030.01/x
  3. Step 3: Cross multiply
    431,746,194.81x = 647,656,377.38 × 151,603,030.01
  4. Step 4: Simplify right side
    431,746,194.81x = 98,186,669,212,111,728
  5. Step 5: Solve for x
    x = 98,186,669,212,111,728/431,746,194.81
  6. Step 6: Final answer
    x = 227,417,567.06

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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.