Home / 498,602,984.55-688,074,823.81-272,542,272.01

Finding the Fourth Proportional to 498,602,984.55, 688,074,823.81 and 272,542,272.01

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Solution

The fourth proportional to 498,602,984.55, 688,074,823.81 and 272,542,272.01 is: 376,109,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,602,984.55 : 688,074,823.81 = 272,542,272.01 : x
  2. Step 2: Convert to fraction form
    498,602,984.55/688,074,823.81 = 272,542,272.01/x
  3. Step 3: Cross multiply
    498,602,984.55x = 688,074,823.81 × 272,542,272.01
  4. Step 4: Simplify right side
    498,602,984.55x = 187,529,475,792,678,336
  5. Step 5: Solve for x
    x = 187,529,475,792,678,336/498,602,984.55
  6. Step 6: Final answer
    x = 376,109,814.03

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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.