Home / 293,476,558.40-440,214,837.60-288,941,595.20

Finding the Fourth Proportional to 293,476,558.40, 440,214,837.60 and 288,941,595.20

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Solution

The fourth proportional to 293,476,558.40, 440,214,837.60 and 288,941,595.20 is: 433,412,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,476,558.40 : 440,214,837.60 = 288,941,595.20 : x
  2. Step 2: Convert to fraction form
    293,476,558.40/440,214,837.60 = 288,941,595.20/x
  3. Step 3: Cross multiply
    293,476,558.40x = 440,214,837.60 × 288,941,595.20
  4. Step 4: Simplify right side
    293,476,558.40x = 127,196,377,406,852,944
  5. Step 5: Solve for x
    x = 127,196,377,406,852,944/293,476,558.40
  6. Step 6: Final answer
    x = 433,412,392.80

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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.