Home / 1,393,030,188.07-2,089,476,415.50-519,563,503.15

Finding the Fourth Proportional to 1,393,030,188.07, 2,089,476,415.50 and 519,563,503.15

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Solution

The fourth proportional to 1,393,030,188.07, 2,089,476,415.50 and 519,563,503.15 is: 779,319,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,030,188.07 : 2,089,476,415.50 = 519,563,503.15 : x
  2. Step 2: Convert to fraction form
    1,393,030,188.07/2,089,476,415.50 = 519,563,503.15/x
  3. Step 3: Cross multiply
    1,393,030,188.07x = 2,089,476,415.50 × 519,563,503.15
  4. Step 4: Simplify right side
    1,393,030,188.07x = 1,085,615,686,186,484,864
  5. Step 5: Solve for x
    x = 1,085,615,686,186,484,864/1,393,030,188.07
  6. Step 6: Final answer
    x = 779,319,569.30

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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.