Home / 437,453,323.60-656,179,985.40-430,650,878.80

Finding the Fourth Proportional to 437,453,323.60, 656,179,985.40 and 430,650,878.80

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Solution

The fourth proportional to 437,453,323.60, 656,179,985.40 and 430,650,878.80 is: 645,976,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,453,323.60 : 656,179,985.40 = 430,650,878.80 : x
  2. Step 2: Convert to fraction form
    437,453,323.60/656,179,985.40 = 430,650,878.80/x
  3. Step 3: Cross multiply
    437,453,323.60x = 656,179,985.40 × 430,650,878.80
  4. Step 4: Simplify right side
    437,453,323.60x = 282,584,487,363,481,152
  5. Step 5: Solve for x
    x = 282,584,487,363,481,152/437,453,323.60
  6. Step 6: Final answer
    x = 645,976,318.20

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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.