Home / 340,778,114.69-470,193,702.22-206,813,061.65

Finding the Fourth Proportional to 340,778,114.69, 470,193,702.22 and 206,813,061.65

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Solution

The fourth proportional to 340,778,114.69, 470,193,702.22 and 206,813,061.65 is: 285,353,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,778,114.69 : 470,193,702.22 = 206,813,061.65 : x
  2. Step 2: Convert to fraction form
    340,778,114.69/470,193,702.22 = 206,813,061.65/x
  3. Step 3: Cross multiply
    340,778,114.69x = 470,193,702.22 × 206,813,061.65
  4. Step 4: Simplify right side
    340,778,114.69x = 97,242,199,124,666,608
  5. Step 5: Solve for x
    x = 97,242,199,124,666,608/340,778,114.69
  6. Step 6: Final answer
    x = 285,353,416.00

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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.