Home / 526,404,358.40-726,460,712.32-291,455,011.84

Finding the Fourth Proportional to 526,404,358.40, 726,460,712.32 and 291,455,011.84

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Solution

The fourth proportional to 526,404,358.40, 726,460,712.32 and 291,455,011.84 is: 402,220,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,404,358.40 : 726,460,712.32 = 291,455,011.84 : x
  2. Step 2: Convert to fraction form
    526,404,358.40/726,460,712.32 = 291,455,011.84/x
  3. Step 3: Cross multiply
    526,404,358.40x = 726,460,712.32 × 291,455,011.84
  4. Step 4: Simplify right side
    526,404,358.40x = 211,730,615,510,520,416
  5. Step 5: Solve for x
    x = 211,730,615,510,520,416/526,404,358.40
  6. Step 6: Final answer
    x = 402,220,483.42

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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.