Home / 731,460,393,815.22-1,009,187,613,472.50-422,699,267,780.10

Finding the Fourth Proportional to 731,460,393,815.22, 1,009,187,613,472.50 and 422,699,267,780.10

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Solution

The fourth proportional to 731,460,393,815.22, 1,009,187,613,472.50 and 422,699,267,780.10 is: 583,193,388,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,460,393,815.22 : 1,009,187,613,472.50 = 422,699,267,780.10 : x
  2. Step 2: Convert to fraction form
    731,460,393,815.22/1,009,187,613,472.50 = 422,699,267,780.10/x
  3. Step 3: Cross multiply
    731,460,393,815.22x = 1,009,187,613,472.50 × 422,699,267,780.10
  4. Step 4: Simplify right side
    731,460,393,815.22x = 426,582,865,267,572,330,201,088
  5. Step 5: Solve for x
    x = 426,582,865,267,572,330,201,088/731,460,393,815.22
  6. Step 6: Final answer
    x = 583,193,388,014.57

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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.