Home / 690,444,570.42-1,036,075,460.94-254,051,710.29

Finding the Fourth Proportional to 690,444,570.42, 1,036,075,460.94 and 254,051,710.29

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Solution

The fourth proportional to 690,444,570.42, 1,036,075,460.94 and 254,051,710.29 is: 381,227,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,444,570.42 : 1,036,075,460.94 = 254,051,710.29 : x
  2. Step 2: Convert to fraction form
    690,444,570.42/1,036,075,460.94 = 254,051,710.29/x
  3. Step 3: Cross multiply
    690,444,570.42x = 1,036,075,460.94 × 254,051,710.29
  4. Step 4: Simplify right side
    690,444,570.42x = 263,216,742,841,307,104
  5. Step 5: Solve for x
    x = 263,216,742,841,307,104/690,444,570.42
  6. Step 6: Final answer
    x = 381,227,913.32

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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.