Home / 28,741,509,323.14-39,648,426,326.13-18,186,835,971.46

Finding the Fourth Proportional to 28,741,509,323.14, 39,648,426,326.13 and 18,186,835,971.46

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Solution

The fourth proportional to 28,741,509,323.14, 39,648,426,326.13 and 18,186,835,971.46 is: 25,088,432,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741,509,323.14 : 39,648,426,326.13 = 18,186,835,971.46 : x
  2. Step 2: Convert to fraction form
    28,741,509,323.14/39,648,426,326.13 = 18,186,835,971.46/x
  3. Step 3: Cross multiply
    28,741,509,323.14x = 39,648,426,326.13 × 18,186,835,971.46
  4. Step 4: Simplify right side
    28,741,509,323.14x = 721,079,426,119,842,660,352
  5. Step 5: Solve for x
    x = 721,079,426,119,842,660,352/28,741,509,323.14
  6. Step 6: Final answer
    x = 25,088,432,831.16

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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.