Home / 384,912,007.20-577,368,010.80-112,310,330.40

Finding the Fourth Proportional to 384,912,007.20, 577,368,010.80 and 112,310,330.40

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Solution

The fourth proportional to 384,912,007.20, 577,368,010.80 and 112,310,330.40 is: 168,465,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,007.20 : 577,368,010.80 = 112,310,330.40 : x
  2. Step 2: Convert to fraction form
    384,912,007.20/577,368,010.80 = 112,310,330.40/x
  3. Step 3: Cross multiply
    384,912,007.20x = 577,368,010.80 × 112,310,330.40
  4. Step 4: Simplify right side
    384,912,007.20x = 64,844,392,055,338,768
  5. Step 5: Solve for x
    x = 64,844,392,055,338,768/384,912,007.20
  6. Step 6: Final answer
    x = 168,465,495.60

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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.