Home / 343,856,807.20-515,785,210.80-235,017,690.40

Finding the Fourth Proportional to 343,856,807.20, 515,785,210.80 and 235,017,690.40

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Solution

The fourth proportional to 343,856,807.20, 515,785,210.80 and 235,017,690.40 is: 352,526,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,856,807.20 : 515,785,210.80 = 235,017,690.40 : x
  2. Step 2: Convert to fraction form
    343,856,807.20/515,785,210.80 = 235,017,690.40/x
  3. Step 3: Cross multiply
    343,856,807.20x = 515,785,210.80 × 235,017,690.40
  4. Step 4: Simplify right side
    343,856,807.20x = 121,218,648,984,693,136
  5. Step 5: Solve for x
    x = 121,218,648,984,693,136/343,856,807.20
  6. Step 6: Final answer
    x = 352,526,535.60

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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.