Home / 612,221,414,719.80-918,332,122,079.70-572,549,556,646.20

Finding the Fourth Proportional to 612,221,414,719.80, 918,332,122,079.70 and 572,549,556,646.20

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Solution

The fourth proportional to 612,221,414,719.80, 918,332,122,079.70 and 572,549,556,646.20 is: 858,824,334,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,221,414,719.80 : 918,332,122,079.70 = 572,549,556,646.20 : x
  2. Step 2: Convert to fraction form
    612,221,414,719.80/918,332,122,079.70 = 572,549,556,646.20/x
  3. Step 3: Cross multiply
    612,221,414,719.80x = 918,332,122,079.70 × 572,549,556,646.20
  4. Step 4: Simplify right side
    612,221,414,719.80x = 525,790,649,350,696,160,198,656
  5. Step 5: Solve for x
    x = 525,790,649,350,696,160,198,656/612,221,414,719.80
  6. Step 6: Final answer
    x = 858,824,334,969.30

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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.