Home / 189,754,483,618.44-261,866,005,443.92-104,115,426,666.81

Finding the Fourth Proportional to 189,754,483,618.44, 261,866,005,443.92 and 104,115,426,666.81

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Solution

The fourth proportional to 189,754,483,618.44, 261,866,005,443.92 and 104,115,426,666.81 is: 143,681,932,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,754,483,618.44 : 261,866,005,443.92 = 104,115,426,666.81 : x
  2. Step 2: Convert to fraction form
    189,754,483,618.44/261,866,005,443.92 = 104,115,426,666.81/x
  3. Step 3: Cross multiply
    189,754,483,618.44x = 261,866,005,443.92 × 104,115,426,666.81
  4. Step 4: Simplify right side
    189,754,483,618.44x = 27,264,290,886,326,922,772,480
  5. Step 5: Solve for x
    x = 27,264,290,886,326,922,772,480/189,754,483,618.44
  6. Step 6: Final answer
    x = 143,681,932,391.91

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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.