Home / 431,369,901.70-647,054,852.55-362,495,148.10

Finding the Fourth Proportional to 431,369,901.70, 647,054,852.55 and 362,495,148.10

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Solution

The fourth proportional to 431,369,901.70, 647,054,852.55 and 362,495,148.10 is: 543,742,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,369,901.70 : 647,054,852.55 = 362,495,148.10 : x
  2. Step 2: Convert to fraction form
    431,369,901.70/647,054,852.55 = 362,495,148.10/x
  3. Step 3: Cross multiply
    431,369,901.70x = 647,054,852.55 × 362,495,148.10
  4. Step 4: Simplify right side
    431,369,901.70x = 234,554,244,603,935,904
  5. Step 5: Solve for x
    x = 234,554,244,603,935,904/431,369,901.70
  6. Step 6: Final answer
    x = 543,742,722.15

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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.