Home / 570,737,603.57-787,621,924.01-309,977,219.57

Finding the Fourth Proportional to 570,737,603.57, 787,621,924.01 and 309,977,219.57

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Solution

The fourth proportional to 570,737,603.57, 787,621,924.01 and 309,977,219.57 is: 427,770,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,603.57 : 787,621,924.01 = 309,977,219.57 : x
  2. Step 2: Convert to fraction form
    570,737,603.57/787,621,924.01 = 309,977,219.57/x
  3. Step 3: Cross multiply
    570,737,603.57x = 787,621,924.01 × 309,977,219.57
  4. Step 4: Simplify right side
    570,737,603.57x = 244,144,854,075,443,744
  5. Step 5: Solve for x
    x = 244,144,854,075,443,744/570,737,603.57
  6. Step 6: Final answer
    x = 427,770,752.35

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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.