Home / 256,426,479,025.60-384,639,718,538.40-124,186,952,113.60

Finding the Fourth Proportional to 256,426,479,025.60, 384,639,718,538.40 and 124,186,952,113.60

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Solution

The fourth proportional to 256,426,479,025.60, 384,639,718,538.40 and 124,186,952,113.60 is: 186,280,428,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,426,479,025.60 : 384,639,718,538.40 = 124,186,952,113.60 : x
  2. Step 2: Convert to fraction form
    256,426,479,025.60/384,639,718,538.40 = 124,186,952,113.60/x
  3. Step 3: Cross multiply
    256,426,479,025.60x = 384,639,718,538.40 × 124,186,952,113.60
  4. Step 4: Simplify right side
    256,426,479,025.60x = 47,767,234,307,116,872,237,056
  5. Step 5: Solve for x
    x = 47,767,234,307,116,872,237,056/256,426,479,025.60
  6. Step 6: Final answer
    x = 186,280,428,170.40

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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.