Home / 987,094,669.20-1,362,190,772.52-547,089,928.08

Finding the Fourth Proportional to 987,094,669.20, 1,362,190,772.52 and 547,089,928.08

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Solution

The fourth proportional to 987,094,669.20, 1,362,190,772.52 and 547,089,928.08 is: 754,984,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,094,669.20 : 1,362,190,772.52 = 547,089,928.08 : x
  2. Step 2: Convert to fraction form
    987,094,669.20/1,362,190,772.52 = 547,089,928.08/x
  3. Step 3: Cross multiply
    987,094,669.20x = 1,362,190,772.52 × 547,089,928.08
  4. Step 4: Simplify right side
    987,094,669.20x = 745,240,851,769,206,528
  5. Step 5: Solve for x
    x = 745,240,851,769,206,528/987,094,669.20
  6. Step 6: Final answer
    x = 754,984,172.26

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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.