Home / 688,779,473.04-949,930,899.03-582,011,860.77

Finding the Fourth Proportional to 688,779,473.04, 949,930,899.03 and 582,011,860.77

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Solution

The fourth proportional to 688,779,473.04, 949,930,899.03 and 582,011,860.77 is: 802,682,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,779,473.04 : 949,930,899.03 = 582,011,860.77 : x
  2. Step 2: Convert to fraction form
    688,779,473.04/949,930,899.03 = 582,011,860.77/x
  3. Step 3: Cross multiply
    688,779,473.04x = 949,930,899.03 × 582,011,860.77
  4. Step 4: Simplify right side
    688,779,473.04x = 552,871,050,147,369,280
  5. Step 5: Solve for x
    x = 552,871,050,147,369,280/688,779,473.04
  6. Step 6: Final answer
    x = 802,682,239.80

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Double scale
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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.