Home / 470,621,702.91-706,018,728.93-194,122,078.65

Finding the Fourth Proportional to 470,621,702.91, 706,018,728.93 and 194,122,078.65

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Solution

The fourth proportional to 470,621,702.91, 706,018,728.93 and 194,122,078.65 is: 291,218,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,621,702.91 : 706,018,728.93 = 194,122,078.65 : x
  2. Step 2: Convert to fraction form
    470,621,702.91/706,018,728.93 = 194,122,078.65/x
  3. Step 3: Cross multiply
    470,621,702.91x = 706,018,728.93 × 194,122,078.65
  4. Step 4: Simplify right side
    470,621,702.91x = 137,053,823,225,722,480
  5. Step 5: Solve for x
    x = 137,053,823,225,722,480/470,621,702.91
  6. Step 6: Final answer
    x = 291,218,663.27

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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.