Home / 874,155,988.77-1,206,404,045.47-497,828,503.23

Finding the Fourth Proportional to 874,155,988.77, 1,206,404,045.47 and 497,828,503.23

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Solution

The fourth proportional to 874,155,988.77, 1,206,404,045.47 and 497,828,503.23 is: 687,042,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,155,988.77 : 1,206,404,045.47 = 497,828,503.23 : x
  2. Step 2: Convert to fraction form
    874,155,988.77/1,206,404,045.47 = 497,828,503.23/x
  3. Step 3: Cross multiply
    874,155,988.77x = 1,206,404,045.47 × 497,828,503.23
  4. Step 4: Simplify right side
    874,155,988.77x = 600,582,320,246,946,944
  5. Step 5: Solve for x
    x = 600,582,320,246,946,944/874,155,988.77
  6. Step 6: Final answer
    x = 687,042,504.96

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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.