Home / 909,601,292.25-1,255,253,566.01-491,913,577.58

Finding the Fourth Proportional to 909,601,292.25, 1,255,253,566.01 and 491,913,577.58

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Solution

The fourth proportional to 909,601,292.25, 1,255,253,566.01 and 491,913,577.58 is: 678,842,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,601,292.25 : 1,255,253,566.01 = 491,913,577.58 : x
  2. Step 2: Convert to fraction form
    909,601,292.25/1,255,253,566.01 = 491,913,577.58/x
  3. Step 3: Cross multiply
    909,601,292.25x = 1,255,253,566.01 × 491,913,577.58
  4. Step 4: Simplify right side
    909,601,292.25x = 617,476,272,417,296,000
  5. Step 5: Solve for x
    x = 617,476,272,417,296,000/909,601,292.25
  6. Step 6: Final answer
    x = 678,842,782.74

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1.5x scale

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.