Home / 1,393,030,187.07-2,089,476,414-519,563,502.15

Finding the Fourth Proportional to 1,393,030,187.07, 2,089,476,414 and 519,563,502.15

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Solution

The fourth proportional to 1,393,030,187.07, 2,089,476,414 and 519,563,502.15 is: 779,319,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,030,187.07 : 2,089,476,414 = 519,563,502.15 : x
  2. Step 2: Convert to fraction form
    1,393,030,187.07/2,089,476,414 = 519,563,502.15/x
  3. Step 3: Cross multiply
    1,393,030,187.07x = 2,089,476,414 × 519,563,502.15
  4. Step 4: Simplify right side
    1,393,030,187.07x = 1,085,615,683,317,663,232
  5. Step 5: Solve for x
    x = 1,085,615,683,317,663,232/1,393,030,187.07
  6. Step 6: Final answer
    x = 779,319,567.80

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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.