Home / 732,880,644.60-1,099,320,966.90-618,089,388.60

Finding the Fourth Proportional to 732,880,644.60, 1,099,320,966.90 and 618,089,388.60

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Solution

The fourth proportional to 732,880,644.60, 1,099,320,966.90 and 618,089,388.60 is: 927,134,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,880,644.60 : 1,099,320,966.90 = 618,089,388.60 : x
  2. Step 2: Convert to fraction form
    732,880,644.60/1,099,320,966.90 = 618,089,388.60/x
  3. Step 3: Cross multiply
    732,880,644.60x = 1,099,320,966.90 × 618,089,388.60
  4. Step 4: Simplify right side
    732,880,644.60x = 679,478,624,306,381,952
  5. Step 5: Solve for x
    x = 679,478,624,306,381,952/732,880,644.60
  6. Step 6: Final answer
    x = 927,134,082.90

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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.