Home / 1,035,485,261.84-1,553,233,699.23-345,390,621.32

Finding the Fourth Proportional to 1,035,485,261.84, 1,553,233,699.23 and 345,390,621.32

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Solution

The fourth proportional to 1,035,485,261.84, 1,553,233,699.23 and 345,390,621.32 is: 518,087,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,485,261.84 : 1,553,233,699.23 = 345,390,621.32 : x
  2. Step 2: Convert to fraction form
    1,035,485,261.84/1,553,233,699.23 = 345,390,621.32/x
  3. Step 3: Cross multiply
    1,035,485,261.84x = 1,553,233,699.23 × 345,390,621.32
  4. Step 4: Simplify right side
    1,035,485,261.84x = 536,472,352,432,211,712
  5. Step 5: Solve for x
    x = 536,472,352,432,211,712/1,035,485,261.84
  6. Step 6: Final answer
    x = 518,087,868.75

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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.