Home / 891,042,946.48-1,229,539,538.52-494,582,646.08

Finding the Fourth Proportional to 891,042,946.48, 1,229,539,538.52 and 494,582,646.08

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Solution

The fourth proportional to 891,042,946.48, 1,229,539,538.52 and 494,582,646.08 is: 682,468,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,042,946.48 : 1,229,539,538.52 = 494,582,646.08 : x
  2. Step 2: Convert to fraction form
    891,042,946.48/1,229,539,538.52 = 494,582,646.08/x
  3. Step 3: Cross multiply
    891,042,946.48x = 1,229,539,538.52 × 494,582,646.08
  4. Step 4: Simplify right side
    891,042,946.48x = 608,108,918,421,203,712
  5. Step 5: Solve for x
    x = 608,108,918,421,203,712/891,042,946.48
  6. Step 6: Final answer
    x = 682,468,696.74

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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.