Home / 5,109,191,513.40-7,050,671,065.64-2,851,107,284.96

Finding the Fourth Proportional to 5,109,191,513.40, 7,050,671,065.64 and 2,851,107,284.96

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Solution

The fourth proportional to 5,109,191,513.40, 7,050,671,065.64 and 2,851,107,284.96 is: 3,934,520,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,191,513.40 : 7,050,671,065.64 = 2,851,107,284.96 : x
  2. Step 2: Convert to fraction form
    5,109,191,513.40/7,050,671,065.64 = 2,851,107,284.96/x
  3. Step 3: Cross multiply
    5,109,191,513.40x = 7,050,671,065.64 × 2,851,107,284.96
  4. Step 4: Simplify right side
    5,109,191,513.40x = 20,102,219,639,102,889,984
  5. Step 5: Solve for x
    x = 20,102,219,639,102,889,984/5,109,191,513.40
  6. Step 6: Final answer
    x = 3,934,520,674.43

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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.