Home / 447,041,430.40-670,562,145.60-393,293,718.40

Finding the Fourth Proportional to 447,041,430.40, 670,562,145.60 and 393,293,718.40

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Solution

The fourth proportional to 447,041,430.40, 670,562,145.60 and 393,293,718.40 is: 589,940,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,041,430.40 : 670,562,145.60 = 393,293,718.40 : x
  2. Step 2: Convert to fraction form
    447,041,430.40/670,562,145.60 = 393,293,718.40/x
  3. Step 3: Cross multiply
    447,041,430.40x = 670,562,145.60 × 393,293,718.40
  4. Step 4: Simplify right side
    447,041,430.40x = 263,727,879,661,306,208
  5. Step 5: Solve for x
    x = 263,727,879,661,306,208/447,041,430.40
  6. Step 6: Final answer
    x = 589,940,577.60

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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.