Home / 1,124,392,459.20-1,684,349,200.80-989,724,580.80

Finding the Fourth Proportional to 1,124,392,459.20, 1,684,349,200.80 and 989,724,580.80

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Solution

The fourth proportional to 1,124,392,459.20, 1,684,349,200.80 and 989,724,580.80 is: 1,482,615,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,392,459.20 : 1,684,349,200.80 = 989,724,580.80 : x
  2. Step 2: Convert to fraction form
    1,124,392,459.20/1,684,349,200.80 = 989,724,580.80/x
  3. Step 3: Cross multiply
    1,124,392,459.20x = 1,684,349,200.80 × 989,724,580.80
  4. Step 4: Simplify right side
    1,124,392,459.20x = 1,667,041,806,682,594,816
  5. Step 5: Solve for x
    x = 1,667,041,806,682,594,816/1,124,392,459.20
  6. Step 6: Final answer
    x = 1,482,615,605.47

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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.