Home / 1,185,531,078.52-1,636,034,811.51-649,597,580.63

Finding the Fourth Proportional to 1,185,531,078.52, 1,636,034,811.51 and 649,597,580.63

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Solution

The fourth proportional to 1,185,531,078.52, 1,636,034,811.51 and 649,597,580.63 is: 896,445,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,531,078.52 : 1,636,034,811.51 = 649,597,580.63 : x
  2. Step 2: Convert to fraction form
    1,185,531,078.52/1,636,034,811.51 = 649,597,580.63/x
  3. Step 3: Cross multiply
    1,185,531,078.52x = 1,636,034,811.51 × 649,597,580.63
  4. Step 4: Simplify right side
    1,185,531,078.52x = 1,062,764,255,383,354,112
  5. Step 5: Solve for x
    x = 1,062,764,255,383,354,112/1,185,531,078.52
  6. Step 6: Final answer
    x = 896,445,715.04

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Half scale
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Double scale
Find fourth proportional to 1,185,531,079.52, 1,636,034,812.89 and 649,597,581.63
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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.