Home / 1,138,179,880.83-1,570,207,274.58-761,957,681.33

Finding the Fourth Proportional to 1,138,179,880.83, 1,570,207,274.58 and 761,957,681.33

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Solution

The fourth proportional to 1,138,179,880.83, 1,570,207,274.58 and 761,957,681.33 is: 1,051,179,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,179,880.83 : 1,570,207,274.58 = 761,957,681.33 : x
  2. Step 2: Convert to fraction form
    1,138,179,880.83/1,570,207,274.58 = 761,957,681.33/x
  3. Step 3: Cross multiply
    1,138,179,880.83x = 1,570,207,274.58 × 761,957,681.33
  4. Step 4: Simplify right side
    1,138,179,880.83x = 1,196,431,494,138,624,512
  5. Step 5: Solve for x
    x = 1,196,431,494,138,624,512/1,138,179,880.83
  6. Step 6: Final answer
    x = 1,051,179,619.57

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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.