Home / 1,098,392,939.96-1,514,905,208.88-722,435,485.70

Finding the Fourth Proportional to 1,098,392,939.96, 1,514,905,208.88 and 722,435,485.70

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Solution

The fourth proportional to 1,098,392,939.96, 1,514,905,208.88 and 722,435,485.70 is: 996,384,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,392,939.96 : 1,514,905,208.88 = 722,435,485.70 : x
  2. Step 2: Convert to fraction form
    1,098,392,939.96/1,514,905,208.88 = 722,435,485.70/x
  3. Step 3: Cross multiply
    1,098,392,939.96x = 1,514,905,208.88 × 722,435,485.70
  4. Step 4: Simplify right side
    1,098,392,939.96x = 1,094,421,280,359,108,352
  5. Step 5: Solve for x
    x = 1,094,421,280,359,108,352/1,098,392,939.96
  6. Step 6: Final answer
    x = 996,384,117.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.