Home / 7,767,060,140.96-10,721,457,820.34-5,091,012,774.55

Finding the Fourth Proportional to 7,767,060,140.96, 10,721,457,820.34 and 5,091,012,774.55

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Solution

The fourth proportional to 7,767,060,140.96, 10,721,457,820.34 and 5,091,012,774.55 is: 7,027,508,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,060,140.96 : 10,721,457,820.34 = 5,091,012,774.55 : x
  2. Step 2: Convert to fraction form
    7,767,060,140.96/10,721,457,820.34 = 5,091,012,774.55/x
  3. Step 3: Cross multiply
    7,767,060,140.96x = 10,721,457,820.34 × 5,091,012,774.55
  4. Step 4: Simplify right side
    7,767,060,140.96x = 54,583,078,725,149,941,760
  5. Step 5: Solve for x
    x = 54,583,078,725,149,941,760/7,767,060,140.96
  6. Step 6: Final answer
    x = 7,027,508,186.44

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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.