Home / 690,965,030.21-1,036,447,545.30-230,903,199.51

Finding the Fourth Proportional to 690,965,030.21, 1,036,447,545.30 and 230,903,199.51

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Solution

The fourth proportional to 690,965,030.21, 1,036,447,545.30 and 230,903,199.51 is: 346,354,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,030.21 : 1,036,447,545.30 = 230,903,199.51 : x
  2. Step 2: Convert to fraction form
    690,965,030.21/1,036,447,545.30 = 230,903,199.51/x
  3. Step 3: Cross multiply
    690,965,030.21x = 1,036,447,545.30 × 230,903,199.51
  4. Step 4: Simplify right side
    690,965,030.21x = 239,319,054,334,055,648
  5. Step 5: Solve for x
    x = 239,319,054,334,055,648/690,965,030.21
  6. Step 6: Final answer
    x = 346,354,799.26

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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.