Home / 1,107,293,918.05-1,527,345,601.38-710,187,916.81

Finding the Fourth Proportional to 1,107,293,918.05, 1,527,345,601.38 and 710,187,916.81

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Solution

The fourth proportional to 1,107,293,918.05, 1,527,345,601.38 and 710,187,916.81 is: 979,597,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,293,918.05 : 1,527,345,601.38 = 710,187,916.81 : x
  2. Step 2: Convert to fraction form
    1,107,293,918.05/1,527,345,601.38 = 710,187,916.81/x
  3. Step 3: Cross multiply
    1,107,293,918.05x = 1,527,345,601.38 × 710,187,916.81
  4. Step 4: Simplify right side
    1,107,293,918.05x = 1,084,702,390,892,978,816
  5. Step 5: Solve for x
    x = 1,084,702,390,892,978,816/1,107,293,918.05
  6. Step 6: Final answer
    x = 979,597,533.42

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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.