Home / 1,688,446,377.54-2,330,056,221.89-935,808,144.71

Finding the Fourth Proportional to 1,688,446,377.54, 2,330,056,221.89 and 935,808,144.71

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Solution

The fourth proportional to 1,688,446,377.54, 2,330,056,221.89 and 935,808,144.71 is: 1,291,415,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,446,377.54 : 2,330,056,221.89 = 935,808,144.71 : x
  2. Step 2: Convert to fraction form
    1,688,446,377.54/2,330,056,221.89 = 935,808,144.71/x
  3. Step 3: Cross multiply
    1,688,446,377.54x = 2,330,056,221.89 × 935,808,144.71
  4. Step 4: Simplify right side
    1,688,446,377.54x = 2,180,485,590,060,544,000
  5. Step 5: Solve for x
    x = 2,180,485,590,060,544,000/1,688,446,377.54
  6. Step 6: Final answer
    x = 1,291,415,362.11

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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.