Home / 293,521,938.40-440,282,907.60-196,776,056.80

Finding the Fourth Proportional to 293,521,938.40, 440,282,907.60 and 196,776,056.80

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Solution

The fourth proportional to 293,521,938.40, 440,282,907.60 and 196,776,056.80 is: 295,164,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,521,938.40 : 440,282,907.60 = 196,776,056.80 : x
  2. Step 2: Convert to fraction form
    293,521,938.40/440,282,907.60 = 196,776,056.80/x
  3. Step 3: Cross multiply
    293,521,938.40x = 440,282,907.60 × 196,776,056.80
  4. Step 4: Simplify right side
    293,521,938.40x = 86,637,134,433,966,768
  5. Step 5: Solve for x
    x = 86,637,134,433,966,768/293,521,938.40
  6. Step 6: Final answer
    x = 295,164,085.20

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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.