Home / 626,558,722.64-863,556,555.72-458,938,873.04

Finding the Fourth Proportional to 626,558,722.64, 863,556,555.72 and 458,938,873.04

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Solution

The fourth proportional to 626,558,722.64, 863,556,555.72 and 458,938,873.04 is: 632,533,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,558,722.64 : 863,556,555.72 = 458,938,873.04 : x
  2. Step 2: Convert to fraction form
    626,558,722.64/863,556,555.72 = 458,938,873.04/x
  3. Step 3: Cross multiply
    626,558,722.64x = 863,556,555.72 × 458,938,873.04
  4. Step 4: Simplify right side
    626,558,722.64x = 396,319,672,488,440,768
  5. Step 5: Solve for x
    x = 396,319,672,488,440,768/626,558,722.64
  6. Step 6: Final answer
    x = 632,533,963.97

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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.