Home / 556,003,325.49-767,296,308.47-305,105,522.80

Finding the Fourth Proportional to 556,003,325.49, 767,296,308.47 and 305,105,522.80

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Solution

The fourth proportional to 556,003,325.49, 767,296,308.47 and 305,105,522.80 is: 421,052,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,003,325.49 : 767,296,308.47 = 305,105,522.80 : x
  2. Step 2: Convert to fraction form
    556,003,325.49/767,296,308.47 = 305,105,522.80/x
  3. Step 3: Cross multiply
    556,003,325.49x = 767,296,308.47 × 305,105,522.80
  4. Step 4: Simplify right side
    556,003,325.49x = 234,106,341,338,249,440
  5. Step 5: Solve for x
    x = 234,106,341,338,249,440/556,003,325.49
  6. Step 6: Final answer
    x = 421,052,052.40

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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.