Home / 1,199,070,124.80-1,654,210,080.96-802,720,811.84

Finding the Fourth Proportional to 1,199,070,124.80, 1,654,210,080.96 and 802,720,811.84

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Solution

The fourth proportional to 1,199,070,124.80, 1,654,210,080.96 and 802,720,811.84 is: 1,107,415,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,070,124.80 : 1,654,210,080.96 = 802,720,811.84 : x
  2. Step 2: Convert to fraction form
    1,199,070,124.80/1,654,210,080.96 = 802,720,811.84/x
  3. Step 3: Cross multiply
    1,199,070,124.80x = 1,654,210,080.96 × 802,720,811.84
  4. Step 4: Simplify right side
    1,199,070,124.80x = 1,327,868,859,142,123,520
  5. Step 5: Solve for x
    x = 1,327,868,859,142,123,520/1,199,070,124.80
  6. Step 6: Final answer
    x = 1,107,415,514.47

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Double scale
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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.