Home / 28,698,538,812.10-43,047,808,218.15-26,955,146,611.60

Finding the Fourth Proportional to 28,698,538,812.10, 43,047,808,218.15 and 26,955,146,611.60

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Solution

The fourth proportional to 28,698,538,812.10, 43,047,808,218.15 and 26,955,146,611.60 is: 40,432,719,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,538,812.10 : 43,047,808,218.15 = 26,955,146,611.60 : x
  2. Step 2: Convert to fraction form
    28,698,538,812.10/43,047,808,218.15 = 26,955,146,611.60/x
  3. Step 3: Cross multiply
    28,698,538,812.10x = 43,047,808,218.15 × 26,955,146,611.60
  4. Step 4: Simplify right side
    28,698,538,812.10x = 1,160,359,981,828,272,553,984
  5. Step 5: Solve for x
    x = 1,160,359,981,828,272,553,984/28,698,538,812.10
  6. Step 6: Final answer
    x = 40,432,719,917.40

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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.