Home / 918,352,686.70-1,377,529,030.05-373,485,256.30

Finding the Fourth Proportional to 918,352,686.70, 1,377,529,030.05 and 373,485,256.30

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Solution

The fourth proportional to 918,352,686.70, 1,377,529,030.05 and 373,485,256.30 is: 560,227,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,352,686.70 : 1,377,529,030.05 = 373,485,256.30 : x
  2. Step 2: Convert to fraction form
    918,352,686.70/1,377,529,030.05 = 373,485,256.30/x
  3. Step 3: Cross multiply
    918,352,686.70x = 1,377,529,030.05 × 373,485,256.30
  4. Step 4: Simplify right side
    918,352,686.70x = 514,486,782,848,914,624
  5. Step 5: Solve for x
    x = 514,486,782,848,914,624/918,352,686.70
  6. Step 6: Final answer
    x = 560,227,884.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.