Home / 699,514,397.10-1,049,634,737.79-285,295,109.94

Finding the Fourth Proportional to 699,514,397.10, 1,049,634,737.79 and 285,295,109.94

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Solution

The fourth proportional to 699,514,397.10, 1,049,634,737.79 and 285,295,109.94 is: 428,090,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,514,397.10 : 1,049,634,737.79 = 285,295,109.94 : x
  2. Step 2: Convert to fraction form
    699,514,397.10/1,049,634,737.79 = 285,295,109.94/x
  3. Step 3: Cross multiply
    699,514,397.10x = 1,049,634,737.79 × 285,295,109.94
  4. Step 4: Simplify right side
    699,514,397.10x = 299,455,657,914,641,088
  5. Step 5: Solve for x
    x = 299,455,657,914,641,088/699,514,397.10
  6. Step 6: Final answer
    x = 428,090,771.48

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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.