Home / 991,668,601.04-1,487,515,669.38-292,001,655.51

Finding the Fourth Proportional to 991,668,601.04, 1,487,515,669.38 and 292,001,655.51

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Solution

The fourth proportional to 991,668,601.04, 1,487,515,669.38 and 292,001,655.51 is: 438,006,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,668,601.04 : 1,487,515,669.38 = 292,001,655.51 : x
  2. Step 2: Convert to fraction form
    991,668,601.04/1,487,515,669.38 = 292,001,655.51/x
  3. Step 3: Cross multiply
    991,668,601.04x = 1,487,515,669.38 × 292,001,655.51
  4. Step 4: Simplify right side
    991,668,601.04x = 434,357,038,056,025,856
  5. Step 5: Solve for x
    x = 434,357,038,056,025,856/991,668,601.04
  6. Step 6: Final answer
    x = 438,006,242.81

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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.