Home / 798,210,316.80-1,197,315,475.20-663,841,036.80

Finding the Fourth Proportional to 798,210,316.80, 1,197,315,475.20 and 663,841,036.80

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Solution

The fourth proportional to 798,210,316.80, 1,197,315,475.20 and 663,841,036.80 is: 995,761,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,210,316.80 : 1,197,315,475.20 = 663,841,036.80 : x
  2. Step 2: Convert to fraction form
    798,210,316.80/1,197,315,475.20 = 663,841,036.80/x
  3. Step 3: Cross multiply
    798,210,316.80x = 1,197,315,475.20 × 663,841,036.80
  4. Step 4: Simplify right side
    798,210,316.80x = 794,827,146,433,452,672
  5. Step 5: Solve for x
    x = 794,827,146,433,452,672/798,210,316.80
  6. Step 6: Final answer
    x = 995,761,555.20

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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.