Home / 726,656,032.20-1,089,984,048.30-617,816,915.40

Finding the Fourth Proportional to 726,656,032.20, 1,089,984,048.30 and 617,816,915.40

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Solution

The fourth proportional to 726,656,032.20, 1,089,984,048.30 and 617,816,915.40 is: 926,725,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,656,032.20 : 1,089,984,048.30 = 617,816,915.40 : x
  2. Step 2: Convert to fraction form
    726,656,032.20/1,089,984,048.30 = 617,816,915.40/x
  3. Step 3: Cross multiply
    726,656,032.20x = 1,089,984,048.30 × 617,816,915.40
  4. Step 4: Simplify right side
    726,656,032.20x = 673,410,582,555,910,528
  5. Step 5: Solve for x
    x = 673,410,582,555,910,528/726,656,032.20
  6. Step 6: Final answer
    x = 926,725,373.10

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1.5x scale

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.