Home / 1,685,364,509.20-2,528,046,763.80-458,532,960.70

Finding the Fourth Proportional to 1,685,364,509.20, 2,528,046,763.80 and 458,532,960.70

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Solution

The fourth proportional to 1,685,364,509.20, 2,528,046,763.80 and 458,532,960.70 is: 687,799,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,364,509.20 : 2,528,046,763.80 = 458,532,960.70 : x
  2. Step 2: Convert to fraction form
    1,685,364,509.20/2,528,046,763.80 = 458,532,960.70/x
  3. Step 3: Cross multiply
    1,685,364,509.20x = 2,528,046,763.80 × 458,532,960.70
  4. Step 4: Simplify right side
    1,685,364,509.20x = 1,159,192,767,393,267,712
  5. Step 5: Solve for x
    x = 1,159,192,767,393,267,712/1,685,364,509.20
  6. Step 6: Final answer
    x = 687,799,441.05

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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.