Home / 419,938,303.60-629,907,455.40-358,716,300.40

Finding the Fourth Proportional to 419,938,303.60, 629,907,455.40 and 358,716,300.40

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Solution

The fourth proportional to 419,938,303.60, 629,907,455.40 and 358,716,300.40 is: 538,074,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,938,303.60 : 629,907,455.40 = 358,716,300.40 : x
  2. Step 2: Convert to fraction form
    419,938,303.60/629,907,455.40 = 358,716,300.40/x
  3. Step 3: Cross multiply
    419,938,303.60x = 629,907,455.40 × 358,716,300.40
  4. Step 4: Simplify right side
    419,938,303.60x = 225,958,071,995,465,984
  5. Step 5: Solve for x
    x = 225,958,071,995,465,984/419,938,303.60
  6. Step 6: Final answer
    x = 538,074,450.60

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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.