Home / 624,325,012.95-861,621,425.91-345,953,855.19

Finding the Fourth Proportional to 624,325,012.95, 861,621,425.91 and 345,953,855.19

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Solution

The fourth proportional to 624,325,012.95, 861,621,425.91 and 345,953,855.19 is: 477,445,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,325,012.95 : 861,621,425.91 = 345,953,855.19 : x
  2. Step 2: Convert to fraction form
    624,325,012.95/861,621,425.91 = 345,953,855.19/x
  3. Step 3: Cross multiply
    624,325,012.95x = 861,621,425.91 × 345,953,855.19
  4. Step 4: Simplify right side
    624,325,012.95x = 298,081,254,007,869,440
  5. Step 5: Solve for x
    x = 298,081,254,007,869,440/624,325,012.95
  6. Step 6: Final answer
    x = 477,445,637.81

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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.