Home / 1,367,031,325.83-1,886,464,576.17-802,507,139.43

Finding the Fourth Proportional to 1,367,031,325.83, 1,886,464,576.17 and 802,507,139.43

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Solution

The fourth proportional to 1,367,031,325.83, 1,886,464,576.17 and 802,507,139.43 is: 1,107,437,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,031,325.83 : 1,886,464,576.17 = 802,507,139.43 : x
  2. Step 2: Convert to fraction form
    1,367,031,325.83/1,886,464,576.17 = 802,507,139.43/x
  3. Step 3: Cross multiply
    1,367,031,325.83x = 1,886,464,576.17 × 802,507,139.43
  4. Step 4: Simplify right side
    1,367,031,325.83x = 1,513,901,290,658,213,888
  5. Step 5: Solve for x
    x = 1,513,901,290,658,213,888/1,367,031,325.83
  6. Step 6: Final answer
    x = 1,107,437,161.13

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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.