Home / 510,603,485,187.15-765,905,227,780.73-340,161,428,278.35

Finding the Fourth Proportional to 510,603,485,187.15, 765,905,227,780.73 and 340,161,428,278.35

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Solution

The fourth proportional to 510,603,485,187.15, 765,905,227,780.73 and 340,161,428,278.35 is: 510,242,142,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,603,485,187.15 : 765,905,227,780.73 = 340,161,428,278.35 : x
  2. Step 2: Convert to fraction form
    510,603,485,187.15/765,905,227,780.73 = 340,161,428,278.35/x
  3. Step 3: Cross multiply
    510,603,485,187.15x = 765,905,227,780.73 × 340,161,428,278.35
  4. Step 4: Simplify right side
    510,603,485,187.15x = 260,531,416,207,748,080,074,752
  5. Step 5: Solve for x
    x = 260,531,416,207,748,080,074,752/510,603,485,187.15
  6. Step 6: Final answer
    x = 510,242,142,417.53

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Double scale
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1.5x scale

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.