Home / 622,886,741.40-934,330,112.10-162,871,411.80

Finding the Fourth Proportional to 622,886,741.40, 934,330,112.10 and 162,871,411.80

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Solution

The fourth proportional to 622,886,741.40, 934,330,112.10 and 162,871,411.80 is: 244,307,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,886,741.40 : 934,330,112.10 = 162,871,411.80 : x
  2. Step 2: Convert to fraction form
    622,886,741.40/934,330,112.10 = 162,871,411.80/x
  3. Step 3: Cross multiply
    622,886,741.40x = 934,330,112.10 × 162,871,411.80
  4. Step 4: Simplify right side
    622,886,741.40x = 152,175,664,444,979,264
  5. Step 5: Solve for x
    x = 152,175,664,444,979,264/622,886,741.40
  6. Step 6: Final answer
    x = 244,307,117.70

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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.