Home / 805,356,714.32-1,207,251,603.10-385,068,867.45

Finding the Fourth Proportional to 805,356,714.32, 1,207,251,603.10 and 385,068,867.45

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Solution

The fourth proportional to 805,356,714.32, 1,207,251,603.10 and 385,068,867.45 is: 577,228,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,356,714.32 : 1,207,251,603.10 = 385,068,867.45 : x
  2. Step 2: Convert to fraction form
    805,356,714.32/1,207,251,603.10 = 385,068,867.45/x
  3. Step 3: Cross multiply
    805,356,714.32x = 1,207,251,603.10 × 385,068,867.45
  4. Step 4: Simplify right side
    805,356,714.32x = 464,875,007,533,477,184
  5. Step 5: Solve for x
    x = 464,875,007,533,477,184/805,356,714.32
  6. Step 6: Final answer
    x = 577,228,697.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.