Home / 456,294,722,342.40-684,442,083,513.60-436,948,569,331.20

Finding the Fourth Proportional to 456,294,722,342.40, 684,442,083,513.60 and 436,948,569,331.20

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Solution

The fourth proportional to 456,294,722,342.40, 684,442,083,513.60 and 436,948,569,331.20 is: 655,422,853,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,294,722,342.40 : 684,442,083,513.60 = 436,948,569,331.20 : x
  2. Step 2: Convert to fraction form
    456,294,722,342.40/684,442,083,513.60 = 436,948,569,331.20/x
  3. Step 3: Cross multiply
    456,294,722,342.40x = 684,442,083,513.60 × 436,948,569,331.20
  4. Step 4: Simplify right side
    456,294,722,342.40x = 299,065,989,181,333,215,117,312
  5. Step 5: Solve for x
    x = 299,065,989,181,333,215,117,312/456,294,722,342.40
  6. Step 6: Final answer
    x = 655,422,853,996.80

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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.