Home / 528,740,846.28-729,358,377.30-330,157,572.04

Finding the Fourth Proportional to 528,740,846.28, 729,358,377.30 and 330,157,572.04

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Solution

The fourth proportional to 528,740,846.28, 729,358,377.30 and 330,157,572.04 is: 455,427,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,740,846.28 : 729,358,377.30 = 330,157,572.04 : x
  2. Step 2: Convert to fraction form
    528,740,846.28/729,358,377.30 = 330,157,572.04/x
  3. Step 3: Cross multiply
    528,740,846.28x = 729,358,377.30 × 330,157,572.04
  4. Step 4: Simplify right side
    528,740,846.28x = 240,803,190,996,402,240
  5. Step 5: Solve for x
    x = 240,803,190,996,402,240/528,740,846.28
  6. Step 6: Final answer
    x = 455,427,630.93

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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.