Home / 869,252,259.60-1,303,430,491.80-323,712,982.80

Finding the Fourth Proportional to 869,252,259.60, 1,303,430,491.80 and 323,712,982.80

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Solution

The fourth proportional to 869,252,259.60, 1,303,430,491.80 and 323,712,982.80 is: 485,402,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,252,259.60 : 1,303,430,491.80 = 323,712,982.80 : x
  2. Step 2: Convert to fraction form
    869,252,259.60/1,303,430,491.80 = 323,712,982.80/x
  3. Step 3: Cross multiply
    869,252,259.60x = 1,303,430,491.80 × 323,712,982.80
  4. Step 4: Simplify right side
    869,252,259.60x = 421,937,372,373,048,960
  5. Step 5: Solve for x
    x = 421,937,372,373,048,960/869,252,259.60
  6. Step 6: Final answer
    x = 485,402,675.36

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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.