Home / 514,341,426.42-709,796,459.25-279,396,740.34

Finding the Fourth Proportional to 514,341,426.42, 709,796,459.25 and 279,396,740.34

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Solution

The fourth proportional to 514,341,426.42, 709,796,459.25 and 279,396,740.34 is: 385,570,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,341,426.42 : 709,796,459.25 = 279,396,740.34 : x
  2. Step 2: Convert to fraction form
    514,341,426.42/709,796,459.25 = 279,396,740.34/x
  3. Step 3: Cross multiply
    514,341,426.42x = 709,796,459.25 × 279,396,740.34
  4. Step 4: Simplify right side
    514,341,426.42x = 198,314,817,019,323,616
  5. Step 5: Solve for x
    x = 198,314,817,019,323,616/514,341,426.42
  6. Step 6: Final answer
    x = 385,570,375.69

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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.