Home / 1,208,110,710.70-1,666,248,288.96-784,860,742.30

Finding the Fourth Proportional to 1,208,110,710.70, 1,666,248,288.96 and 784,860,742.30

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Solution

The fourth proportional to 1,208,110,710.70, 1,666,248,288.96 and 784,860,742.30 is: 1,082,494,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,110,710.70 : 1,666,248,288.96 = 784,860,742.30 : x
  2. Step 2: Convert to fraction form
    1,208,110,710.70/1,666,248,288.96 = 784,860,742.30/x
  3. Step 3: Cross multiply
    1,208,110,710.70x = 1,666,248,288.96 × 784,860,742.30
  4. Step 4: Simplify right side
    1,208,110,710.70x = 1,307,772,868,929,250,560
  5. Step 5: Solve for x
    x = 1,307,772,868,929,250,560/1,208,110,710.70
  6. Step 6: Final answer
    x = 1,082,494,226.19

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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.