Home / 468,698,475.92-702,555,572.44-157,698,128.40

Finding the Fourth Proportional to 468,698,475.92, 702,555,572.44 and 157,698,128.40

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Solution

The fourth proportional to 468,698,475.92, 702,555,572.44 and 157,698,128.40 is: 236,381,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,698,475.92 : 702,555,572.44 = 157,698,128.40 : x
  2. Step 2: Convert to fraction form
    468,698,475.92/702,555,572.44 = 157,698,128.40/x
  3. Step 3: Cross multiply
    468,698,475.92x = 702,555,572.44 × 157,698,128.40
  4. Step 4: Simplify right side
    468,698,475.92x = 110,791,698,870,778,640
  5. Step 5: Solve for x
    x = 110,791,698,870,778,640/468,698,475.92
  6. Step 6: Final answer
    x = 236,381,606.86

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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.