Home / 882,886,257.81-1,218,438,069.44-486,409,165.34

Finding the Fourth Proportional to 882,886,257.81, 1,218,438,069.44 and 486,409,165.34

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Solution

The fourth proportional to 882,886,257.81, 1,218,438,069.44 and 486,409,165.34 is: 671,274,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,886,257.81 : 1,218,438,069.44 = 486,409,165.34 : x
  2. Step 2: Convert to fraction form
    882,886,257.81/1,218,438,069.44 = 486,409,165.34/x
  3. Step 3: Cross multiply
    882,886,257.81x = 1,218,438,069.44 × 486,409,165.34
  4. Step 4: Simplify right side
    882,886,257.81x = 592,659,444,366,267,008
  5. Step 5: Solve for x
    x = 592,659,444,366,267,008/882,886,257.81
  6. Step 6: Final answer
    x = 671,274,967.89

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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.