Home / 581,624,777.80-870,925,512.30-459,684,656.20

Finding the Fourth Proportional to 581,624,777.80, 870,925,512.30 and 459,684,656.20

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Solution

The fourth proportional to 581,624,777.80, 870,925,512.30 and 459,684,656.20 is: 688,332,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,624,777.80 : 870,925,512.30 = 459,684,656.20 : x
  2. Step 2: Convert to fraction form
    581,624,777.80/870,925,512.30 = 459,684,656.20/x
  3. Step 3: Cross multiply
    581,624,777.80x = 870,925,512.30 × 459,684,656.20
  4. Step 4: Simplify right side
    581,624,777.80x = 400,351,094,697,434,368
  5. Step 5: Solve for x
    x = 400,351,094,697,434,368/581,624,777.80
  6. Step 6: Final answer
    x = 688,332,254.71

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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.