Home / 1,057,393,066.12-1,459,241,811.92-634,075,647.42

Finding the Fourth Proportional to 1,057,393,066.12, 1,459,241,811.92 and 634,075,647.42

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Solution

The fourth proportional to 1,057,393,066.12, 1,459,241,811.92 and 634,075,647.42 is: 875,048,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,393,066.12 : 1,459,241,811.92 = 634,075,647.42 : x
  2. Step 2: Convert to fraction form
    1,057,393,066.12/1,459,241,811.92 = 634,075,647.42/x
  3. Step 3: Cross multiply
    1,057,393,066.12x = 1,459,241,811.92 × 634,075,647.42
  4. Step 4: Simplify right side
    1,057,393,066.12x = 925,269,696,635,507,840
  5. Step 5: Solve for x
    x = 925,269,696,635,507,840/1,057,393,066.12
  6. Step 6: Final answer
    x = 875,048,008.43

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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.