Home / 387,168,244.77-534,292,254.66-210,956,240.13

Finding the Fourth Proportional to 387,168,244.77, 534,292,254.66 and 210,956,240.13

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Solution

The fourth proportional to 387,168,244.77, 534,292,254.66 and 210,956,240.13 is: 291,119,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,168,244.77 : 534,292,254.66 = 210,956,240.13 : x
  2. Step 2: Convert to fraction form
    387,168,244.77/534,292,254.66 = 210,956,240.13/x
  3. Step 3: Cross multiply
    387,168,244.77x = 534,292,254.66 × 210,956,240.13
  4. Step 4: Simplify right side
    387,168,244.77x = 112,712,285,173,654,080
  5. Step 5: Solve for x
    x = 112,712,285,173,654,080/387,168,244.77
  6. Step 6: Final answer
    x = 291,119,653.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.