Home / 415,358,913.80-573,371,792.44-258,803,371.74

Finding the Fourth Proportional to 415,358,913.80, 573,371,792.44 and 258,803,371.74

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Solution

The fourth proportional to 415,358,913.80, 573,371,792.44 and 258,803,371.74 is: 357,258,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358,913.80 : 573,371,792.44 = 258,803,371.74 : x
  2. Step 2: Convert to fraction form
    415,358,913.80/573,371,792.44 = 258,803,371.74/x
  3. Step 3: Cross multiply
    415,358,913.80x = 573,371,792.44 × 258,803,371.74
  4. Step 4: Simplify right side
    415,358,913.80x = 148,390,553,144,079,456
  5. Step 5: Solve for x
    x = 148,390,553,144,079,456/415,358,913.80
  6. Step 6: Final answer
    x = 357,258,621.91

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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.