Home / 818,973,816-1,130,191,386.16-466,544,583.44

Finding the Fourth Proportional to 818,973,816, 1,130,191,386.16 and 466,544,583.44

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Solution

The fourth proportional to 818,973,816, 1,130,191,386.16 and 466,544,583.44 is: 643,835,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,973,816 : 1,130,191,386.16 = 466,544,583.44 : x
  2. Step 2: Convert to fraction form
    818,973,816/1,130,191,386.16 = 466,544,583.44/x
  3. Step 3: Cross multiply
    818,973,816x = 1,130,191,386.16 × 466,544,583.44
  4. Step 4: Simplify right side
    818,973,816x = 527,284,669,463,493,440
  5. Step 5: Solve for x
    x = 527,284,669,463,493,440/818,973,816
  6. Step 6: Final answer
    x = 643,835,809.11

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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.