Home / 1,685,364,485.70-2,528,046,728.55-458,532,937.20

Finding the Fourth Proportional to 1,685,364,485.70, 2,528,046,728.55 and 458,532,937.20

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Solution

The fourth proportional to 1,685,364,485.70, 2,528,046,728.55 and 458,532,937.20 is: 687,799,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,364,485.70 : 2,528,046,728.55 = 458,532,937.20 : x
  2. Step 2: Convert to fraction form
    1,685,364,485.70/2,528,046,728.55 = 458,532,937.20/x
  3. Step 3: Cross multiply
    1,685,364,485.70x = 2,528,046,728.55 × 458,532,937.20
  4. Step 4: Simplify right side
    1,685,364,485.70x = 1,159,192,691,820,882,688
  5. Step 5: Solve for x
    x = 1,159,192,691,820,882,688/1,685,364,485.70
  6. Step 6: Final answer
    x = 687,799,405.80

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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.