Home / 936,300,403.44-1,292,078,394.72-518,603,723.10

Finding the Fourth Proportional to 936,300,403.44, 1,292,078,394.72 and 518,603,723.10

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Solution

The fourth proportional to 936,300,403.44, 1,292,078,394.72 and 518,603,723.10 is: 715,664,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,300,403.44 : 1,292,078,394.72 = 518,603,723.10 : x
  2. Step 2: Convert to fraction form
    936,300,403.44/1,292,078,394.72 = 518,603,723.10/x
  3. Step 3: Cross multiply
    936,300,403.44x = 1,292,078,394.72 × 518,603,723.10
  4. Step 4: Simplify right side
    936,300,403.44x = 670,076,666,038,863,488
  5. Step 5: Solve for x
    x = 670,076,666,038,863,488/936,300,403.44
  6. Step 6: Final answer
    x = 715,664,185.96

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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.