Home / 1,169,831,878.86-1,614,541,260.28-740,709,054.40

Finding the Fourth Proportional to 1,169,831,878.86, 1,614,541,260.28 and 740,709,054.40

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Solution

The fourth proportional to 1,169,831,878.86, 1,614,541,260.28 and 740,709,054.40 is: 1,022,288,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,831,878.86 : 1,614,541,260.28 = 740,709,054.40 : x
  2. Step 2: Convert to fraction form
    1,169,831,878.86/1,614,541,260.28 = 740,709,054.40/x
  3. Step 3: Cross multiply
    1,169,831,878.86x = 1,614,541,260.28 × 740,709,054.40
  4. Step 4: Simplify right side
    1,169,831,878.86x = 1,195,905,330,191,782,912
  5. Step 5: Solve for x
    x = 1,195,905,330,191,782,912/1,169,831,878.86
  6. Step 6: Final answer
    x = 1,022,288,203.80

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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.