Home / 623,752,907.04-860,785,814.16-345,299,080.68

Finding the Fourth Proportional to 623,752,907.04, 860,785,814.16 and 345,299,080.68

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Solution

The fourth proportional to 623,752,907.04, 860,785,814.16 and 345,299,080.68 is: 476,516,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,907.04 : 860,785,814.16 = 345,299,080.68 : x
  2. Step 2: Convert to fraction form
    623,752,907.04/860,785,814.16 = 345,299,080.68/x
  3. Step 3: Cross multiply
    623,752,907.04x = 860,785,814.16 × 345,299,080.68
  4. Step 4: Simplify right side
    623,752,907.04x = 297,228,550,291,833,344
  5. Step 5: Solve for x
    x = 297,228,550,291,833,344/623,752,907.04
  6. Step 6: Final answer
    x = 476,516,497.06

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1.5x scale

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.