Home / 927,827,313.48-1,280,406,754.44-546,365,991.24

Finding the Fourth Proportional to 927,827,313.48, 1,280,406,754.44 and 546,365,991.24

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Solution

The fourth proportional to 927,827,313.48, 1,280,406,754.44 and 546,365,991.24 is: 753,988,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,827,313.48 : 1,280,406,754.44 = 546,365,991.24 : x
  2. Step 2: Convert to fraction form
    927,827,313.48/1,280,406,754.44 = 546,365,991.24/x
  3. Step 3: Cross multiply
    927,827,313.48x = 1,280,406,754.44 × 546,365,991.24
  4. Step 4: Simplify right side
    927,827,313.48x = 699,570,705,580,001,920
  5. Step 5: Solve for x
    x = 699,570,705,580,001,920/927,827,313.48
  6. Step 6: Final answer
    x = 753,988,048.66

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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.