Home / 822,460,845.60-1,235,706,807.60-618,387,501.60

Finding the Fourth Proportional to 822,460,845.60, 1,235,706,807.60 and 618,387,501.60

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Solution

The fourth proportional to 822,460,845.60, 1,235,706,807.60 and 618,387,501.60 is: 929,096,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,460,845.60 : 1,235,706,807.60 = 618,387,501.60 : x
  2. Step 2: Convert to fraction form
    822,460,845.60/1,235,706,807.60 = 618,387,501.60/x
  3. Step 3: Cross multiply
    822,460,845.60x = 1,235,706,807.60 × 618,387,501.60
  4. Step 4: Simplify right side
    822,460,845.60x = 764,145,645,461,875,840
  5. Step 5: Solve for x
    x = 764,145,645,461,875,840/822,460,845.60
  6. Step 6: Final answer
    x = 929,096,685.33

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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.