Home / 732,880,643.60-1,099,320,965.40-618,089,387.60

Finding the Fourth Proportional to 732,880,643.60, 1,099,320,965.40 and 618,089,387.60

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Solution

The fourth proportional to 732,880,643.60, 1,099,320,965.40 and 618,089,387.60 is: 927,134,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,880,643.60 : 1,099,320,965.40 = 618,089,387.60 : x
  2. Step 2: Convert to fraction form
    732,880,643.60/1,099,320,965.40 = 618,089,387.60/x
  3. Step 3: Cross multiply
    732,880,643.60x = 1,099,320,965.40 × 618,089,387.60
  4. Step 4: Simplify right side
    732,880,643.60x = 679,478,622,279,926,912
  5. Step 5: Solve for x
    x = 679,478,622,279,926,912/732,880,643.60
  6. Step 6: Final answer
    x = 927,134,081.40

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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.