Home / 940,325,694.42-1,297,572,325.74-553,581,740.88

Finding the Fourth Proportional to 940,325,694.42, 1,297,572,325.74 and 553,581,740.88

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Solution

The fourth proportional to 940,325,694.42, 1,297,572,325.74 and 553,581,740.88 is: 763,897,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,325,694.42 : 1,297,572,325.74 = 553,581,740.88 : x
  2. Step 2: Convert to fraction form
    940,325,694.42/1,297,572,325.74 = 553,581,740.88/x
  3. Step 3: Cross multiply
    940,325,694.42x = 1,297,572,325.74 × 553,581,740.88
  4. Step 4: Simplify right side
    940,325,694.42x = 718,312,347,000,859,648
  5. Step 5: Solve for x
    x = 718,312,347,000,859,648/940,325,694.42
  6. Step 6: Final answer
    x = 763,897,393.49

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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.