Home / 908,828,032.86-1,254,238,890.21-501,456,749.90

Finding the Fourth Proportional to 908,828,032.86, 1,254,238,890.21 and 501,456,749.90

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Solution

The fourth proportional to 908,828,032.86, 1,254,238,890.21 and 501,456,749.90 is: 692,041,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,828,032.86 : 1,254,238,890.21 = 501,456,749.90 : x
  2. Step 2: Convert to fraction form
    908,828,032.86/1,254,238,890.21 = 501,456,749.90/x
  3. Step 3: Cross multiply
    908,828,032.86x = 1,254,238,890.21 × 501,456,749.90
  4. Step 4: Simplify right side
    908,828,032.86x = 628,946,557,476,618,368
  5. Step 5: Solve for x
    x = 628,946,557,476,618,368/908,828,032.86
  6. Step 6: Final answer
    x = 692,041,326.56

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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.