Home / 558,077,381.67-770,140,675.01-307,176,409.20

Finding the Fourth Proportional to 558,077,381.67, 770,140,675.01 and 307,176,409.20

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Solution

The fourth proportional to 558,077,381.67, 770,140,675.01 and 307,176,409.20 is: 423,900,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,381.67 : 770,140,675.01 = 307,176,409.20 : x
  2. Step 2: Convert to fraction form
    558,077,381.67/770,140,675.01 = 307,176,409.20/x
  3. Step 3: Cross multiply
    558,077,381.67x = 770,140,675.01 × 307,176,409.20
  4. Step 4: Simplify right side
    558,077,381.67x = 236,569,047,126,900,096
  5. Step 5: Solve for x
    x = 236,569,047,126,900,096/558,077,381.67
  6. Step 6: Final answer
    x = 423,900,080.70

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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.