Home / 456,737,918.47-630,190,295.55-258,499,409.07

Finding the Fourth Proportional to 456,737,918.47, 630,190,295.55 and 258,499,409.07

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Solution

The fourth proportional to 456,737,918.47, 630,190,295.55 and 258,499,409.07 is: 356,668,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,737,918.47 : 630,190,295.55 = 258,499,409.07 : x
  2. Step 2: Convert to fraction form
    456,737,918.47/630,190,295.55 = 258,499,409.07/x
  3. Step 3: Cross multiply
    456,737,918.47x = 630,190,295.55 × 258,499,409.07
  4. Step 4: Simplify right side
    456,737,918.47x = 162,903,819,001,323,648
  5. Step 5: Solve for x
    x = 162,903,819,001,323,648/456,737,918.47
  6. Step 6: Final answer
    x = 356,668,041.81

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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.