Home / 690,965,012.08-1,036,447,518.16-230,903,181.36

Finding the Fourth Proportional to 690,965,012.08, 1,036,447,518.16 and 230,903,181.36

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Solution

The fourth proportional to 690,965,012.08, 1,036,447,518.16 and 230,903,181.36 is: 346,354,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,012.08 : 1,036,447,518.16 = 230,903,181.36 : x
  2. Step 2: Convert to fraction form
    690,965,012.08/1,036,447,518.16 = 230,903,181.36/x
  3. Step 3: Cross multiply
    690,965,012.08x = 1,036,447,518.16 × 230,903,181.36
  4. Step 4: Simplify right side
    690,965,012.08x = 239,319,029,255,820,384
  5. Step 5: Solve for x
    x = 239,319,029,255,820,384/690,965,012.08
  6. Step 6: Final answer
    x = 346,354,772.05

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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.