Home / 1,413,222,225.41-2,120,063,422.34-417,343,987.76

Finding the Fourth Proportional to 1,413,222,225.41, 2,120,063,422.34 and 417,343,987.76

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Solution

The fourth proportional to 1,413,222,225.41, 2,120,063,422.34 and 417,343,987.76 is: 626,083,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,222,225.41 : 2,120,063,422.34 = 417,343,987.76 : x
  2. Step 2: Convert to fraction form
    1,413,222,225.41/2,120,063,422.34 = 417,343,987.76/x
  3. Step 3: Cross multiply
    1,413,222,225.41x = 2,120,063,422.34 × 417,343,987.76
  4. Step 4: Simplify right side
    1,413,222,225.41x = 884,795,722,973,931,648
  5. Step 5: Solve for x
    x = 884,795,722,973,931,648/1,413,222,225.41
  6. Step 6: Final answer
    x = 626,083,928.67

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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.