Home / 374,615,464,703.16-516,955,965,404.40-212,031,619,887.72

Finding the Fourth Proportional to 374,615,464,703.16, 516,955,965,404.40 and 212,031,619,887.72

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Solution

The fourth proportional to 374,615,464,703.16, 516,955,965,404.40 and 212,031,619,887.72 is: 292,596,064,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,615,464,703.16 : 516,955,965,404.40 = 212,031,619,887.72 : x
  2. Step 2: Convert to fraction form
    374,615,464,703.16/516,955,965,404.40 = 212,031,619,887.72/x
  3. Step 3: Cross multiply
    374,615,464,703.16x = 516,955,965,404.40 × 212,031,619,887.72
  4. Step 4: Simplify right side
    374,615,464,703.16x = 109,611,010,755,315,070,140,416
  5. Step 5: Solve for x
    x = 109,611,010,755,315,070,140,416/374,615,464,703.16
  6. Step 6: Final answer
    x = 292,596,064,719.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.