Home / 438,565,809.17-657,842,514.63-106,575,259.24

Finding the Fourth Proportional to 438,565,809.17, 657,842,514.63 and 106,575,259.24

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Solution

The fourth proportional to 438,565,809.17, 657,842,514.63 and 106,575,259.24 is: 159,861,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,565,809.17 : 657,842,514.63 = 106,575,259.24 : x
  2. Step 2: Convert to fraction form
    438,565,809.17/657,842,514.63 = 106,575,259.24/x
  3. Step 3: Cross multiply
    438,565,809.17x = 657,842,514.63 × 106,575,259.24
  4. Step 4: Simplify right side
    438,565,809.17x = 70,109,736,536,208,384
  5. Step 5: Solve for x
    x = 70,109,736,536,208,384/438,565,809.17
  6. Step 6: Final answer
    x = 159,861,382.42

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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.