Home / 690,965,017.55-1,036,447,526.34-230,903,186.87

Finding the Fourth Proportional to 690,965,017.55, 1,036,447,526.34 and 230,903,186.87

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Solution

The fourth proportional to 690,965,017.55, 1,036,447,526.34 and 230,903,186.87 is: 346,354,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,017.55 : 1,036,447,526.34 = 230,903,186.87 : x
  2. Step 2: Convert to fraction form
    690,965,017.55/1,036,447,526.34 = 230,903,186.87/x
  3. Step 3: Cross multiply
    690,965,017.55x = 1,036,447,526.34 × 230,903,186.87
  4. Step 4: Simplify right side
    690,965,017.55x = 239,319,036,850,252,032
  5. Step 5: Solve for x
    x = 239,319,036,850,252,032/690,965,017.55
  6. Step 6: Final answer
    x = 346,354,780.31

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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.