Home / 1,378,314,472.30-1,902,234,777.70-783,688,052.94

Finding the Fourth Proportional to 1,378,314,472.30, 1,902,234,777.70 and 783,688,052.94

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Solution

The fourth proportional to 1,378,314,472.30, 1,902,234,777.70 and 783,688,052.94 is: 1,081,580,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,314,472.30 : 1,902,234,777.70 = 783,688,052.94 : x
  2. Step 2: Convert to fraction form
    1,378,314,472.30/1,902,234,777.70 = 783,688,052.94/x
  3. Step 3: Cross multiply
    1,378,314,472.30x = 1,902,234,777.70 × 783,688,052.94
  4. Step 4: Simplify right side
    1,378,314,472.30x = 1,490,758,669,168,507,648
  5. Step 5: Solve for x
    x = 1,490,758,669,168,507,648/1,378,314,472.30
  6. Step 6: Final answer
    x = 1,081,580,944.79

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1.5x scale

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.