Home / 1,011,205,000.70-1,514,540,019.45-829,806,472.70

Finding the Fourth Proportional to 1,011,205,000.70, 1,514,540,019.45 and 829,806,472.70

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Solution

The fourth proportional to 1,011,205,000.70, 1,514,540,019.45 and 829,806,472.70 is: 1,242,848,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,205,000.70 : 1,514,540,019.45 = 829,806,472.70 : x
  2. Step 2: Convert to fraction form
    1,011,205,000.70/1,514,540,019.45 = 829,806,472.70/x
  3. Step 3: Cross multiply
    1,011,205,000.70x = 1,514,540,019.45 × 829,806,472.70
  4. Step 4: Simplify right side
    1,011,205,000.70x = 1,256,775,111,302,793,984
  5. Step 5: Solve for x
    x = 1,256,775,111,302,793,984/1,011,205,000.70
  6. Step 6: Final answer
    x = 1,242,848,987.53

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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.