Home / 343,009,109.80-514,513,664.70-197,890,287.40

Finding the Fourth Proportional to 343,009,109.80, 514,513,664.70 and 197,890,287.40

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Solution

The fourth proportional to 343,009,109.80, 514,513,664.70 and 197,890,287.40 is: 296,835,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,009,109.80 : 514,513,664.70 = 197,890,287.40 : x
  2. Step 2: Convert to fraction form
    343,009,109.80/514,513,664.70 = 197,890,287.40/x
  3. Step 3: Cross multiply
    343,009,109.80x = 514,513,664.70 × 197,890,287.40
  4. Step 4: Simplify right side
    343,009,109.80x = 101,817,256,978,710,240
  5. Step 5: Solve for x
    x = 101,817,256,978,710,240/343,009,109.80
  6. Step 6: Final answer
    x = 296,835,431.10

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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.