Home / 293,511,417.36-440,387,809.72-129,662,699.28

Finding the Fourth Proportional to 293,511,417.36, 440,387,809.72 and 129,662,699.28

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Solution

The fourth proportional to 293,511,417.36, 440,387,809.72 and 129,662,699.28 is: 194,547,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,511,417.36 : 440,387,809.72 = 129,662,699.28 : x
  2. Step 2: Convert to fraction form
    293,511,417.36/440,387,809.72 = 129,662,699.28/x
  3. Step 3: Cross multiply
    293,511,417.36x = 440,387,809.72 × 129,662,699.28
  4. Step 4: Simplify right side
    293,511,417.36x = 57,101,872,138,302,224
  5. Step 5: Solve for x
    x = 57,101,872,138,302,224/293,511,417.36
  6. Step 6: Final answer
    x = 194,547,362.59

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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.