Home / 889,986,095.70-1,335,546,013.95-521,520,335.70

Finding the Fourth Proportional to 889,986,095.70, 1,335,546,013.95 and 521,520,335.70

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Solution

The fourth proportional to 889,986,095.70, 1,335,546,013.95 and 521,520,335.70 is: 782,612,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,986,095.70 : 1,335,546,013.95 = 521,520,335.70 : x
  2. Step 2: Convert to fraction form
    889,986,095.70/1,335,546,013.95 = 521,520,335.70/x
  3. Step 3: Cross multiply
    889,986,095.70x = 1,335,546,013.95 × 521,520,335.70
  4. Step 4: Simplify right side
    889,986,095.70x = 696,514,405,538,000,896
  5. Step 5: Solve for x
    x = 696,514,405,538,000,896/889,986,095.70
  6. Step 6: Final answer
    x = 782,612,682.27

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1.5x scale

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.