Home / 258,746,739,189.33-388,119,588,309.15-243,001,186,371.02

Finding the Fourth Proportional to 258,746,739,189.33, 388,119,588,309.15 and 243,001,186,371.02

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Solution

The fourth proportional to 258,746,739,189.33, 388,119,588,309.15 and 243,001,186,371.02 is: 364,501,290,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,746,739,189.33 : 388,119,588,309.15 = 243,001,186,371.02 : x
  2. Step 2: Convert to fraction form
    258,746,739,189.33/388,119,588,309.15 = 243,001,186,371.02/x
  3. Step 3: Cross multiply
    258,746,739,189.33x = 388,119,588,309.15 × 243,001,186,371.02
  4. Step 4: Simplify right side
    258,746,739,189.33x = 94,313,520,412,955,313,700,864
  5. Step 5: Solve for x
    x = 94,313,520,412,955,313,700,864/258,746,739,189.33
  6. Step 6: Final answer
    x = 364,501,290,754.22

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1.5x scale

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.