Home / 704,745,784.06-1,057,111,944.23-428,473,274.23

Finding the Fourth Proportional to 704,745,784.06, 1,057,111,944.23 and 428,473,274.23

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Solution

The fourth proportional to 704,745,784.06, 1,057,111,944.23 and 428,473,274.23 is: 642,705,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,745,784.06 : 1,057,111,944.23 = 428,473,274.23 : x
  2. Step 2: Convert to fraction form
    704,745,784.06/1,057,111,944.23 = 428,473,274.23/x
  3. Step 3: Cross multiply
    704,745,784.06x = 1,057,111,944.23 × 428,473,274.23
  4. Step 4: Simplify right side
    704,745,784.06x = 452,944,215,971,869,312
  5. Step 5: Solve for x
    x = 452,944,215,971,869,312/704,745,784.06
  6. Step 6: Final answer
    x = 642,705,818.49

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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.