Home / 811,044,079.63-1,119,262,837.58-458,672,763.67

Finding the Fourth Proportional to 811,044,079.63, 1,119,262,837.58 and 458,672,763.67

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Solution

The fourth proportional to 811,044,079.63, 1,119,262,837.58 and 458,672,763.67 is: 632,980,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,044,079.63 : 1,119,262,837.58 = 458,672,763.67 : x
  2. Step 2: Convert to fraction form
    811,044,079.63/1,119,262,837.58 = 458,672,763.67/x
  3. Step 3: Cross multiply
    811,044,079.63x = 1,119,262,837.58 × 458,672,763.67
  4. Step 4: Simplify right side
    811,044,079.63x = 513,375,378,985,944,896
  5. Step 5: Solve for x
    x = 513,375,378,985,944,896/811,044,079.63
  6. Step 6: Final answer
    x = 632,980,859.96

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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.