Home / 455,919,500.02-629,169,448.12-247,075,642.67

Finding the Fourth Proportional to 455,919,500.02, 629,169,448.12 and 247,075,642.67

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Solution

The fourth proportional to 455,919,500.02, 629,169,448.12 and 247,075,642.67 is: 340,964,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,500.02 : 629,169,448.12 = 247,075,642.67 : x
  2. Step 2: Convert to fraction form
    455,919,500.02/629,169,448.12 = 247,075,642.67/x
  3. Step 3: Cross multiply
    455,919,500.02x = 629,169,448.12 × 247,075,642.67
  4. Step 4: Simplify right side
    455,919,500.02x = 155,452,445,744,040,576
  5. Step 5: Solve for x
    x = 155,452,445,744,040,576/455,919,500.02
  6. Step 6: Final answer
    x = 340,964,678.49

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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.