Home / 289,712,724.96-399,733,578-183,827,533.60

Finding the Fourth Proportional to 289,712,724.96, 399,733,578 and 183,827,533.60

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Solution

The fourth proportional to 289,712,724.96, 399,733,578 and 183,827,533.60 is: 253,637,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,712,724.96 : 399,733,578 = 183,827,533.60 : x
  2. Step 2: Convert to fraction form
    289,712,724.96/399,733,578 = 183,827,533.60/x
  3. Step 3: Cross multiply
    289,712,724.96x = 399,733,578 × 183,827,533.60
  4. Step 4: Simplify right side
    289,712,724.96x = 73,482,037,740,843,216
  5. Step 5: Solve for x
    x = 73,482,037,740,843,216/289,712,724.96
  6. Step 6: Final answer
    x = 253,637,591.34

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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.