Home / 510,646,587.40-765,969,881.10-304,022,326.60

Finding the Fourth Proportional to 510,646,587.40, 765,969,881.10 and 304,022,326.60

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Solution

The fourth proportional to 510,646,587.40, 765,969,881.10 and 304,022,326.60 is: 456,033,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,646,587.40 : 765,969,881.10 = 304,022,326.60 : x
  2. Step 2: Convert to fraction form
    510,646,587.40/765,969,881.10 = 304,022,326.60/x
  3. Step 3: Cross multiply
    510,646,587.40x = 765,969,881.10 × 304,022,326.60
  4. Step 4: Simplify right side
    510,646,587.40x = 232,871,945,357,547,392
  5. Step 5: Solve for x
    x = 232,871,945,357,547,392/510,646,587.40
  6. Step 6: Final answer
    x = 456,033,489.90

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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.