Home / 1,048,339,769.64-1,446,739,162.88-578,471,348.94

Finding the Fourth Proportional to 1,048,339,769.64, 1,446,739,162.88 and 578,471,348.94

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Solution

The fourth proportional to 1,048,339,769.64, 1,446,739,162.88 and 578,471,348.94 is: 798,307,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,339,769.64 : 1,446,739,162.88 = 578,471,348.94 : x
  2. Step 2: Convert to fraction form
    1,048,339,769.64/1,446,739,162.88 = 578,471,348.94/x
  3. Step 3: Cross multiply
    1,048,339,769.64x = 1,446,739,162.88 × 578,471,348.94
  4. Step 4: Simplify right side
    1,048,339,769.64x = 836,897,155,115,520,128
  5. Step 5: Solve for x
    x = 836,897,155,115,520,128/1,048,339,769.64
  6. Step 6: Final answer
    x = 798,307,170.40

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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.