Home / 540,061,745.76-745,269,938.64-317,039,844.96

Finding the Fourth Proportional to 540,061,745.76, 745,269,938.64 and 317,039,844.96

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Solution

The fourth proportional to 540,061,745.76, 745,269,938.64 and 317,039,844.96 is: 437,506,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,061,745.76 : 745,269,938.64 = 317,039,844.96 : x
  2. Step 2: Convert to fraction form
    540,061,745.76/745,269,938.64 = 317,039,844.96/x
  3. Step 3: Cross multiply
    540,061,745.76x = 745,269,938.64 × 317,039,844.96
  4. Step 4: Simplify right side
    540,061,745.76x = 236,280,265,799,774,304
  5. Step 5: Solve for x
    x = 236,280,265,799,774,304/540,061,745.76
  6. Step 6: Final answer
    x = 437,506,021.59

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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.