Home / 885,742,603.20-1,328,613,904.80-656,160,091.20

Finding the Fourth Proportional to 885,742,603.20, 1,328,613,904.80 and 656,160,091.20

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Solution

The fourth proportional to 885,742,603.20, 1,328,613,904.80 and 656,160,091.20 is: 984,240,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,742,603.20 : 1,328,613,904.80 = 656,160,091.20 : x
  2. Step 2: Convert to fraction form
    885,742,603.20/1,328,613,904.80 = 656,160,091.20/x
  3. Step 3: Cross multiply
    885,742,603.20x = 1,328,613,904.80 × 656,160,091.20
  4. Step 4: Simplify right side
    885,742,603.20x = 871,783,420,943,156,096
  5. Step 5: Solve for x
    x = 871,783,420,943,156,096/885,742,603.20
  6. Step 6: Final answer
    x = 984,240,136.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.