Home / 499,213,374.69-747,362,995.13-291,314,705.25

Finding the Fourth Proportional to 499,213,374.69, 747,362,995.13 and 291,314,705.25

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Solution

The fourth proportional to 499,213,374.69, 747,362,995.13 and 291,314,705.25 is: 436,121,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,213,374.69 : 747,362,995.13 = 291,314,705.25 : x
  2. Step 2: Convert to fraction form
    499,213,374.69/747,362,995.13 = 291,314,705.25/x
  3. Step 3: Cross multiply
    499,213,374.69x = 747,362,995.13 × 291,314,705.25
  4. Step 4: Simplify right side
    499,213,374.69x = 217,717,830,641,781,440
  5. Step 5: Solve for x
    x = 217,717,830,641,781,440/499,213,374.69
  6. Step 6: Final answer
    x = 436,121,790.16

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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.