Home / 697,807,455.60-1,046,711,183.40-439,527,129.60

Finding the Fourth Proportional to 697,807,455.60, 1,046,711,183.40 and 439,527,129.60

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Solution

The fourth proportional to 697,807,455.60, 1,046,711,183.40 and 439,527,129.60 is: 659,290,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,807,455.60 : 1,046,711,183.40 = 439,527,129.60 : x
  2. Step 2: Convert to fraction form
    697,807,455.60/1,046,711,183.40 = 439,527,129.60/x
  3. Step 3: Cross multiply
    697,807,455.60x = 1,046,711,183.40 × 439,527,129.60
  4. Step 4: Simplify right side
    697,807,455.60x = 460,057,961,960,021,184
  5. Step 5: Solve for x
    x = 460,057,961,960,021,184/697,807,455.60
  6. Step 6: Final answer
    x = 659,290,694.40

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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.