Home / 690,323,513.04-1,035,489,140.64-230,260,419.36

Finding the Fourth Proportional to 690,323,513.04, 1,035,489,140.64 and 230,260,419.36

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Solution

The fourth proportional to 690,323,513.04, 1,035,489,140.64 and 230,260,419.36 is: 345,391,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,513.04 : 1,035,489,140.64 = 230,260,419.36 : x
  2. Step 2: Convert to fraction form
    690,323,513.04/1,035,489,140.64 = 230,260,419.36/x
  3. Step 3: Cross multiply
    690,323,513.04x = 1,035,489,140.64 × 230,260,419.36
  4. Step 4: Simplify right side
    690,323,513.04x = 238,432,163,766,492,416
  5. Step 5: Solve for x
    x = 238,432,163,766,492,416/690,323,513.04
  6. Step 6: Final answer
    x = 345,391,920.26

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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.