Home / 789,118,502.40-1,183,752,403.20-214,689,830.40

Finding the Fourth Proportional to 789,118,502.40, 1,183,752,403.20 and 214,689,830.40

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Solution

The fourth proportional to 789,118,502.40, 1,183,752,403.20 and 214,689,830.40 is: 322,055,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,118,502.40 : 1,183,752,403.20 = 214,689,830.40 : x
  2. Step 2: Convert to fraction form
    789,118,502.40/1,183,752,403.20 = 214,689,830.40/x
  3. Step 3: Cross multiply
    789,118,502.40x = 1,183,752,403.20 × 214,689,830.40
  4. Step 4: Simplify right side
    789,118,502.40x = 254,139,602,678,600,448
  5. Step 5: Solve for x
    x = 254,139,602,678,600,448/789,118,502.40
  6. Step 6: Final answer
    x = 322,055,054.98

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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.