Home / 1,538,790,739.49-2,308,223,898.20-433,388,117.40

Finding the Fourth Proportional to 1,538,790,739.49, 2,308,223,898.20 and 433,388,117.40

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Solution

The fourth proportional to 1,538,790,739.49, 2,308,223,898.20 and 433,388,117.40 is: 650,092,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,790,739.49 : 2,308,223,898.20 = 433,388,117.40 : x
  2. Step 2: Convert to fraction form
    1,538,790,739.49/2,308,223,898.20 = 433,388,117.40/x
  3. Step 3: Cross multiply
    1,538,790,739.49x = 2,308,223,898.20 × 433,388,117.40
  4. Step 4: Simplify right side
    1,538,790,739.49x = 1,000,356,809,784,010,240
  5. Step 5: Solve for x
    x = 1,000,356,809,784,010,240/1,538,790,739.49
  6. Step 6: Final answer
    x = 650,092,819.06

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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.