Home / 256,771,970,585.93-385,094,308,760.64-86,787,780,573.11

Finding the Fourth Proportional to 256,771,970,585.93, 385,094,308,760.64 and 86,787,780,573.11

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Solution

The fourth proportional to 256,771,970,585.93, 385,094,308,760.64 and 86,787,780,573.11 is: 130,160,158,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,771,970,585.93 : 385,094,308,760.64 = 86,787,780,573.11 : x
  2. Step 2: Convert to fraction form
    256,771,970,585.93/385,094,308,760.64 = 86,787,780,573.11/x
  3. Step 3: Cross multiply
    256,771,970,585.93x = 385,094,308,760.64 × 86,787,780,573.11
  4. Step 4: Simplify right side
    256,771,970,585.93x = 33,421,480,368,671,897,419,776
  5. Step 5: Solve for x
    x = 33,421,480,368,671,897,419,776/256,771,970,585.93
  6. Step 6: Final answer
    x = 130,160,158,417.63

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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.