Home / 1,127,516,319.71-1,556,007,905.04-651,197,840.05

Finding the Fourth Proportional to 1,127,516,319.71, 1,556,007,905.04 and 651,197,840.05

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Solution

The fourth proportional to 1,127,516,319.71, 1,556,007,905.04 and 651,197,840.05 is: 898,673,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,516,319.71 : 1,556,007,905.04 = 651,197,840.05 : x
  2. Step 2: Convert to fraction form
    1,127,516,319.71/1,556,007,905.04 = 651,197,840.05/x
  3. Step 3: Cross multiply
    1,127,516,319.71x = 1,556,007,905.04 × 651,197,840.05
  4. Step 4: Simplify right side
    1,127,516,319.71x = 1,013,268,986,857,952,256
  5. Step 5: Solve for x
    x = 1,013,268,986,857,952,256/1,127,516,319.71
  6. Step 6: Final answer
    x = 898,673,455.23

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Double scale
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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.