Home / 498,618,074.32-688,095,113.27-272,561,673.35

Finding the Fourth Proportional to 498,618,074.32, 688,095,113.27 and 272,561,673.35

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Solution

The fourth proportional to 498,618,074.32, 688,095,113.27 and 272,561,673.35 is: 376,136,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,618,074.32 : 688,095,113.27 = 272,561,673.35 : x
  2. Step 2: Convert to fraction form
    498,618,074.32/688,095,113.27 = 272,561,673.35/x
  3. Step 3: Cross multiply
    498,618,074.32x = 688,095,113.27 × 272,561,673.35
  4. Step 4: Simplify right side
    498,618,074.32x = 187,548,355,497,186,432
  5. Step 5: Solve for x
    x = 187,548,355,497,186,432/498,618,074.32
  6. Step 6: Final answer
    x = 376,136,295.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.