Home / 316,048,670.10-473,128,476.06-191,173,387.96

Finding the Fourth Proportional to 316,048,670.10, 473,128,476.06 and 191,173,387.96

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Solution

The fourth proportional to 316,048,670.10, 473,128,476.06 and 191,173,387.96 is: 286,188,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,048,670.10 : 473,128,476.06 = 191,173,387.96 : x
  2. Step 2: Convert to fraction form
    316,048,670.10/473,128,476.06 = 191,173,387.96/x
  3. Step 3: Cross multiply
    316,048,670.10x = 473,128,476.06 × 191,173,387.96
  4. Step 4: Simplify right side
    316,048,670.10x = 90,449,573,708,741,952
  5. Step 5: Solve for x
    x = 90,449,573,708,741,952/316,048,670.10
  6. Step 6: Final answer
    x = 286,188,749.60

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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.