Home / 849,687,129.60-1,272,263,212.80-849,687,129.60

Finding the Fourth Proportional to 849,687,129.60, 1,272,263,212.80 and 849,687,129.60

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Solution

The fourth proportional to 849,687,129.60, 1,272,263,212.80 and 849,687,129.60 is: 1,272,263,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,687,129.60 : 1,272,263,212.80 = 849,687,129.60 : x
  2. Step 2: Convert to fraction form
    849,687,129.60/1,272,263,212.80 = 849,687,129.60/x
  3. Step 3: Cross multiply
    849,687,129.60x = 1,272,263,212.80 × 849,687,129.60
  4. Step 4: Simplify right side
    849,687,129.60x = 1,081,025,677,379,705,984
  5. Step 5: Solve for x
    x = 1,081,025,677,379,705,984/849,687,129.60
  6. Step 6: Final answer
    x = 1,272,263,212.80

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1.5x scale

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.