Home / 259,478,444,017.71-358,080,128,199.26-155,191,903,508.55

Finding the Fourth Proportional to 259,478,444,017.71, 358,080,128,199.26 and 155,191,903,508.55

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Solution

The fourth proportional to 259,478,444,017.71, 358,080,128,199.26 and 155,191,903,508.55 is: 214,164,752,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,478,444,017.71 : 358,080,128,199.26 = 155,191,903,508.55 : x
  2. Step 2: Convert to fraction form
    259,478,444,017.71/358,080,128,199.26 = 155,191,903,508.55/x
  3. Step 3: Cross multiply
    259,478,444,017.71x = 358,080,128,199.26 × 155,191,903,508.55
  4. Step 4: Simplify right side
    259,478,444,017.71x = 55,571,136,703,828,766,752,768
  5. Step 5: Solve for x
    x = 55,571,136,703,828,766,752,768/259,478,444,017.71
  6. Step 6: Final answer
    x = 214,164,752,352.36

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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.