Home / 936,969,051.96-1,293,017,411.52-519,308,301.60

Finding the Fourth Proportional to 936,969,051.96, 1,293,017,411.52 and 519,308,301.60

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Solution

The fourth proportional to 936,969,051.96, 1,293,017,411.52 and 519,308,301.60 is: 716,645,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,969,051.96 : 1,293,017,411.52 = 519,308,301.60 : x
  2. Step 2: Convert to fraction form
    936,969,051.96/1,293,017,411.52 = 519,308,301.60/x
  3. Step 3: Cross multiply
    936,969,051.96x = 1,293,017,411.52 × 519,308,301.60
  4. Step 4: Simplify right side
    936,969,051.96x = 671,474,675,915,679,488
  5. Step 5: Solve for x
    x = 671,474,675,915,679,488/936,969,051.96
  6. Step 6: Final answer
    x = 716,645,522.61

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Double scale
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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.