Home / 473,638,685.81-706,988,913.10-417,725,778.20

Finding the Fourth Proportional to 473,638,685.81, 706,988,913.10 and 417,725,778.20

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Solution

The fourth proportional to 473,638,685.81, 706,988,913.10 and 417,725,778.20 is: 623,529,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,638,685.81 : 706,988,913.10 = 417,725,778.20 : x
  2. Step 2: Convert to fraction form
    473,638,685.81/706,988,913.10 = 417,725,778.20/x
  3. Step 3: Cross multiply
    473,638,685.81x = 706,988,913.10 × 417,725,778.20
  4. Step 4: Simplify right side
    473,638,685.81x = 295,327,493,898,890,368
  5. Step 5: Solve for x
    x = 295,327,493,898,890,368/473,638,685.81
  6. Step 6: Final answer
    x = 623,529,079.76

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.