Home / 256,243,415.58-384,430,667.70-74,490,593.58

Finding the Fourth Proportional to 256,243,415.58, 384,430,667.70 and 74,490,593.58

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Solution

The fourth proportional to 256,243,415.58, 384,430,667.70 and 74,490,593.58 is: 111,754,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,243,415.58 : 384,430,667.70 = 74,490,593.58 : x
  2. Step 2: Convert to fraction form
    256,243,415.58/384,430,667.70 = 74,490,593.58/x
  3. Step 3: Cross multiply
    256,243,415.58x = 384,430,667.70 × 74,490,593.58
  4. Step 4: Simplify right side
    256,243,415.58x = 28,636,468,627,328,732
  5. Step 5: Solve for x
    x = 28,636,468,627,328,732/256,243,415.58
  6. Step 6: Final answer
    x = 111,754,944.27

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1.5x scale

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.