Home / 315,429,995,054.98-435,443,492,758.65-211,322,717,119.30

Finding the Fourth Proportional to 315,429,995,054.98, 435,443,492,758.65 and 211,322,717,119.30

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Solution

The fourth proportional to 315,429,995,054.98, 435,443,492,758.65 and 211,322,717,119.30 is: 291,725,909,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,429,995,054.98 : 435,443,492,758.65 = 211,322,717,119.30 : x
  2. Step 2: Convert to fraction form
    315,429,995,054.98/435,443,492,758.65 = 211,322,717,119.30/x
  3. Step 3: Cross multiply
    315,429,995,054.98x = 435,443,492,758.65 × 211,322,717,119.30
  4. Step 4: Simplify right side
    315,429,995,054.98x = 92,019,102,041,676,147,851,264
  5. Step 5: Solve for x
    x = 92,019,102,041,676,147,851,264/315,429,995,054.98
  6. Step 6: Final answer
    x = 291,725,909,026.62

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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.