Home / 890,208,985.60-1,334,371,039.60-299,436,829.68

Finding the Fourth Proportional to 890,208,985.60, 1,334,371,039.60 and 299,436,829.68

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Solution

The fourth proportional to 890,208,985.60, 1,334,371,039.60 and 299,436,829.68 is: 448,838,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,208,985.60 : 1,334,371,039.60 = 299,436,829.68 : x
  2. Step 2: Convert to fraction form
    890,208,985.60/1,334,371,039.60 = 299,436,829.68/x
  3. Step 3: Cross multiply
    890,208,985.60x = 1,334,371,039.60 × 299,436,829.68
  4. Step 4: Simplify right side
    890,208,985.60x = 399,559,833,714,629,696
  5. Step 5: Solve for x
    x = 399,559,833,714,629,696/890,208,985.60
  6. Step 6: Final answer
    x = 448,838,239.31

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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.