Home / 919,461,055.54-1,268,855,922.96-501,773,340.82

Finding the Fourth Proportional to 919,461,055.54, 1,268,855,922.96 and 501,773,340.82

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Solution

The fourth proportional to 919,461,055.54, 1,268,855,922.96 and 501,773,340.82 is: 692,447,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,461,055.54 : 1,268,855,922.96 = 501,773,340.82 : x
  2. Step 2: Convert to fraction form
    919,461,055.54/1,268,855,922.96 = 501,773,340.82/x
  3. Step 3: Cross multiply
    919,461,055.54x = 1,268,855,922.96 × 501,773,340.82
  4. Step 4: Simplify right side
    919,461,055.54x = 636,678,075,482,883,712
  5. Step 5: Solve for x
    x = 636,678,075,482,883,712/919,461,055.54
  6. Step 6: Final answer
    x = 692,447,028.23

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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.