Home / 38,689,955,393.13-58,057,048,345.14-21,005,071,004.70

Finding the Fourth Proportional to 38,689,955,393.13, 58,057,048,345.14 and 21,005,071,004.70

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Solution

The fourth proportional to 38,689,955,393.13, 58,057,048,345.14 and 21,005,071,004.70 is: 31,519,613,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689,955,393.13 : 58,057,048,345.14 = 21,005,071,004.70 : x
  2. Step 2: Convert to fraction form
    38,689,955,393.13/58,057,048,345.14 = 21,005,071,004.70/x
  3. Step 3: Cross multiply
    38,689,955,393.13x = 58,057,048,345.14 × 21,005,071,004.70
  4. Step 4: Simplify right side
    38,689,955,393.13x = 1,219,492,422,812,966,322,176
  5. Step 5: Solve for x
    x = 1,219,492,422,812,966,322,176/38,689,955,393.13
  6. Step 6: Final answer
    x = 31,519,613,047.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.