Home / 458,880,820.40-688,252,075.94-294,036,268.68

Finding the Fourth Proportional to 458,880,820.40, 688,252,075.94 and 294,036,268.68

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Solution

The fourth proportional to 458,880,820.40, 688,252,075.94 and 294,036,268.68 is: 441,010,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,880,820.40 : 688,252,075.94 = 294,036,268.68 : x
  2. Step 2: Convert to fraction form
    458,880,820.40/688,252,075.94 = 294,036,268.68/x
  3. Step 3: Cross multiply
    458,880,820.40x = 688,252,075.94 × 294,036,268.68
  4. Step 4: Simplify right side
    458,880,820.40x = 202,371,072,320,661,632
  5. Step 5: Solve for x
    x = 202,371,072,320,661,632/458,880,820.40
  6. Step 6: Final answer
    x = 441,010,090.91

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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.