Home / 421,603,966.58-581,831,655.26-233,432,264.48

Finding the Fourth Proportional to 421,603,966.58, 581,831,655.26 and 233,432,264.48

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Solution

The fourth proportional to 421,603,966.58, 581,831,655.26 and 233,432,264.48 is: 322,146,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,603,966.58 : 581,831,655.26 = 233,432,264.48 : x
  2. Step 2: Convert to fraction form
    421,603,966.58/581,831,655.26 = 233,432,264.48/x
  3. Step 3: Cross multiply
    421,603,966.58x = 581,831,655.26 × 233,432,264.48
  4. Step 4: Simplify right side
    421,603,966.58x = 135,818,280,829,412,176
  5. Step 5: Solve for x
    x = 135,818,280,829,412,176/421,603,966.58
  6. Step 6: Final answer
    x = 322,146,591.58

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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.