Home / 565,904,856.84-780,948,526.68-315,003,796.08

Finding the Fourth Proportional to 565,904,856.84, 780,948,526.68 and 315,003,796.08

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Solution

The fourth proportional to 565,904,856.84, 780,948,526.68 and 315,003,796.08 is: 434,705,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,904,856.84 : 780,948,526.68 = 315,003,796.08 : x
  2. Step 2: Convert to fraction form
    565,904,856.84/780,948,526.68 = 315,003,796.08/x
  3. Step 3: Cross multiply
    565,904,856.84x = 780,948,526.68 × 315,003,796.08
  4. Step 4: Simplify right side
    565,904,856.84x = 246,001,750,447,283,136
  5. Step 5: Solve for x
    x = 246,001,750,447,283,136/565,904,856.84
  6. Step 6: Final answer
    x = 434,705,140.76

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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.