Home / 306,487,208.40-459,730,812.60-291,370,664.40

Finding the Fourth Proportional to 306,487,208.40, 459,730,812.60 and 291,370,664.40

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Solution

The fourth proportional to 306,487,208.40, 459,730,812.60 and 291,370,664.40 is: 437,055,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,487,208.40 : 459,730,812.60 = 291,370,664.40 : x
  2. Step 2: Convert to fraction form
    306,487,208.40/459,730,812.60 = 291,370,664.40/x
  3. Step 3: Cross multiply
    306,487,208.40x = 459,730,812.60 × 291,370,664.40
  4. Step 4: Simplify right side
    306,487,208.40x = 133,952,072,312,413,888
  5. Step 5: Solve for x
    x = 133,952,072,312,413,888/306,487,208.40
  6. Step 6: Final answer
    x = 437,055,996.60

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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.