Home / 804,704,688.78-1,110,502,479.77-487,160,719.66

Finding the Fourth Proportional to 804,704,688.78, 1,110,502,479.77 and 487,160,719.66

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Solution

The fourth proportional to 804,704,688.78, 1,110,502,479.77 and 487,160,719.66 is: 672,287,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,704,688.78 : 1,110,502,479.77 = 487,160,719.66 : x
  2. Step 2: Convert to fraction form
    804,704,688.78/1,110,502,479.77 = 487,160,719.66/x
  3. Step 3: Cross multiply
    804,704,688.78x = 1,110,502,479.77 × 487,160,719.66
  4. Step 4: Simplify right side
    804,704,688.78x = 540,993,187,228,967,808
  5. Step 5: Solve for x
    x = 540,993,187,228,967,808/804,704,688.78
  6. Step 6: Final answer
    x = 672,287,852.64

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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.