Home / 864,644,698.50-1,297,101,417.03-290,350,395.78

Finding the Fourth Proportional to 864,644,698.50, 1,297,101,417.03 and 290,350,395.78

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Solution

The fourth proportional to 864,644,698.50, 1,297,101,417.03 and 290,350,395.78 is: 435,570,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,644,698.50 : 1,297,101,417.03 = 290,350,395.78 : x
  2. Step 2: Convert to fraction form
    864,644,698.50/1,297,101,417.03 = 290,350,395.78/x
  3. Step 3: Cross multiply
    864,644,698.50x = 1,297,101,417.03 × 290,350,395.78
  4. Step 4: Simplify right side
    864,644,698.50x = 376,613,909,801,459,264
  5. Step 5: Solve for x
    x = 376,613,909,801,459,264/864,644,698.50
  6. Step 6: Final answer
    x = 435,570,715.29

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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.