Home / 881,490,574,083.61-1,321,621,109,667.40-390,573,824,867.68

Finding the Fourth Proportional to 881,490,574,083.61, 1,321,621,109,667.40 and 390,573,824,867.68

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Solution

The fourth proportional to 881,490,574,083.61, 1,321,621,109,667.40 and 390,573,824,867.68 is: 585,588,351,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,490,574,083.61 : 1,321,621,109,667.40 = 390,573,824,867.68 : x
  2. Step 2: Convert to fraction form
    881,490,574,083.61/1,321,621,109,667.40 = 390,573,824,867.68/x
  3. Step 3: Cross multiply
    881,490,574,083.61x = 1,321,621,109,667.40 × 390,573,824,867.68
  4. Step 4: Simplify right side
    881,490,574,083.61x = 516,190,611,828,663,935,565,824
  5. Step 5: Solve for x
    x = 516,190,611,828,663,935,565,824/881,490,574,083.61
  6. Step 6: Final answer
    x = 585,588,351,146.34

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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.