Home / 403,056,909,159.58-556,215,228,476.30-220,154,127,373.18

Finding the Fourth Proportional to 403,056,909,159.58, 556,215,228,476.30 and 220,154,127,373.18

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Solution

The fourth proportional to 403,056,909,159.58, 556,215,228,476.30 and 220,154,127,373.18 is: 303,810,889,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,056,909,159.58 : 556,215,228,476.30 = 220,154,127,373.18 : x
  2. Step 2: Convert to fraction form
    403,056,909,159.58/556,215,228,476.30 = 220,154,127,373.18/x
  3. Step 3: Cross multiply
    403,056,909,159.58x = 556,215,228,476.30 × 220,154,127,373.18
  4. Step 4: Simplify right side
    403,056,909,159.58x = 122,453,078,256,873,778,446,336
  5. Step 5: Solve for x
    x = 122,453,078,256,873,778,446,336/403,056,909,159.58
  6. Step 6: Final answer
    x = 303,810,889,911.81

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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.