Home / 2,819,431,977.51-3,890,588,352.81-1,630,077,592.74

Finding the Fourth Proportional to 2,819,431,977.51, 3,890,588,352.81 and 1,630,077,592.74

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Solution

The fourth proportional to 2,819,431,977.51, 3,890,588,352.81 and 1,630,077,592.74 is: 2,249,375,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,431,977.51 : 3,890,588,352.81 = 1,630,077,592.74 : x
  2. Step 2: Convert to fraction form
    2,819,431,977.51/3,890,588,352.81 = 1,630,077,592.74/x
  3. Step 3: Cross multiply
    2,819,431,977.51x = 3,890,588,352.81 × 1,630,077,592.74
  4. Step 4: Simplify right side
    2,819,431,977.51x = 6,341,960,896,490,806,272
  5. Step 5: Solve for x
    x = 6,341,960,896,490,806,272/2,819,431,977.51
  6. Step 6: Final answer
    x = 2,249,375,387.34

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1.5x scale

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.