Home / 626,558,720.64-863,556,552.96-458,938,871.04

Finding the Fourth Proportional to 626,558,720.64, 863,556,552.96 and 458,938,871.04

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Solution

The fourth proportional to 626,558,720.64, 863,556,552.96 and 458,938,871.04 is: 632,533,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,558,720.64 : 863,556,552.96 = 458,938,871.04 : x
  2. Step 2: Convert to fraction form
    626,558,720.64/863,556,552.96 = 458,938,871.04/x
  3. Step 3: Cross multiply
    626,558,720.64x = 863,556,552.96 × 458,938,871.04
  4. Step 4: Simplify right side
    626,558,720.64x = 396,319,669,494,656,384
  5. Step 5: Solve for x
    x = 396,319,669,494,656,384/626,558,720.64
  6. Step 6: Final answer
    x = 632,533,961.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.