Home / 285,440,285,578.02-428,349,056,712.65-134,389,784,457.40

Finding the Fourth Proportional to 285,440,285,578.02, 428,349,056,712.65 and 134,389,784,457.40

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Solution

The fourth proportional to 285,440,285,578.02, 428,349,056,712.65 and 134,389,784,457.40 is: 201,673,485,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440,285,578.02 : 428,349,056,712.65 = 134,389,784,457.40 : x
  2. Step 2: Convert to fraction form
    285,440,285,578.02/428,349,056,712.65 = 134,389,784,457.40/x
  3. Step 3: Cross multiply
    285,440,285,578.02x = 428,349,056,712.65 × 134,389,784,457.40
  4. Step 4: Simplify right side
    285,440,285,578.02x = 57,565,737,404,143,641,821,184
  5. Step 5: Solve for x
    x = 57,565,737,404,143,641,821,184/285,440,285,578.02
  6. Step 6: Final answer
    x = 201,673,485,883.65

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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.