Home / 303,670,953.60-455,506,430.40-289,562,179.20

Finding the Fourth Proportional to 303,670,953.60, 455,506,430.40 and 289,562,179.20

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Solution

The fourth proportional to 303,670,953.60, 455,506,430.40 and 289,562,179.20 is: 434,343,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670,953.60 : 455,506,430.40 = 289,562,179.20 : x
  2. Step 2: Convert to fraction form
    303,670,953.60/455,506,430.40 = 289,562,179.20/x
  3. Step 3: Cross multiply
    303,670,953.60x = 455,506,430.40 × 289,562,179.20
  4. Step 4: Simplify right side
    303,670,953.60x = 131,897,434,626,237,120
  5. Step 5: Solve for x
    x = 131,897,434,626,237,120/303,670,953.60
  6. Step 6: Final answer
    x = 434,343,268.80

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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.