Home / 688,779,473.54-949,930,899.72-582,011,861.27

Finding the Fourth Proportional to 688,779,473.54, 949,930,899.72 and 582,011,861.27

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Solution

The fourth proportional to 688,779,473.54, 949,930,899.72 and 582,011,861.27 is: 802,682,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,779,473.54 : 949,930,899.72 = 582,011,861.27 : x
  2. Step 2: Convert to fraction form
    688,779,473.54/949,930,899.72 = 582,011,861.27/x
  3. Step 3: Cross multiply
    688,779,473.54x = 949,930,899.72 × 582,011,861.27
  4. Step 4: Simplify right side
    688,779,473.54x = 552,871,051,023,922,944
  5. Step 5: Solve for x
    x = 552,871,051,023,922,944/688,779,473.54
  6. Step 6: Final answer
    x = 802,682,240.49

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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.