Home / 897,227,143.20-1,343,573,233.20-715,828,615.20

Finding the Fourth Proportional to 897,227,143.20, 1,343,573,233.20 and 715,828,615.20

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Solution

The fourth proportional to 897,227,143.20, 1,343,573,233.20 and 715,828,615.20 is: 1,071,933,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,227,143.20 : 1,343,573,233.20 = 715,828,615.20 : x
  2. Step 2: Convert to fraction form
    897,227,143.20/1,343,573,233.20 = 715,828,615.20/x
  3. Step 3: Cross multiply
    897,227,143.20x = 1,343,573,233.20 × 715,828,615.20
  4. Step 4: Simplify right side
    897,227,143.20x = 961,768,166,941,342,720
  5. Step 5: Solve for x
    x = 961,768,166,941,342,720/897,227,143.20
  6. Step 6: Final answer
    x = 1,071,933,873.41

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1.5x scale

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.