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Finding the Fourth Proportional to 315,927,602.88, 473,956,037.44 and 108,639,092.74

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Solution

The fourth proportional to 315,927,602.88, 473,956,037.44 and 108,639,092.74 is: 162,980,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,927,602.88 : 473,956,037.44 = 108,639,092.74 : x
  2. Step 2: Convert to fraction form
    315,927,602.88/473,956,037.44 = 108,639,092.74/x
  3. Step 3: Cross multiply
    315,927,602.88x = 473,956,037.44 × 108,639,092.74
  4. Step 4: Simplify right side
    315,927,602.88x = 51,490,153,905,213,776
  5. Step 5: Solve for x
    x = 51,490,153,905,213,776/315,927,602.88
  6. Step 6: Final answer
    x = 162,980,864.72

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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.