Home / 864,618,161.40-1,297,006,970.04-282,355,458.57

Finding the Fourth Proportional to 864,618,161.40, 1,297,006,970.04 and 282,355,458.57

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Solution

The fourth proportional to 864,618,161.40, 1,297,006,970.04 and 282,355,458.57 is: 423,559,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,161.40 : 1,297,006,970.04 = 282,355,458.57 : x
  2. Step 2: Convert to fraction form
    864,618,161.40/1,297,006,970.04 = 282,355,458.57/x
  3. Step 3: Cross multiply
    864,618,161.40x = 1,297,006,970.04 × 282,355,458.57
  4. Step 4: Simplify right side
    864,618,161.40x = 366,216,997,794,130,432
  5. Step 5: Solve for x
    x = 366,216,997,794,130,432/864,618,161.40
  6. Step 6: Final answer
    x = 423,559,224.34

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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.