Home / 402,035,128.20-602,881,302.58-152,997,889.80

Finding the Fourth Proportional to 402,035,128.20, 602,881,302.58 and 152,997,889.80

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Solution

The fourth proportional to 402,035,128.20, 602,881,302.58 and 152,997,889.80 is: 229,431,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,035,128.20 : 602,881,302.58 = 152,997,889.80 : x
  2. Step 2: Convert to fraction form
    402,035,128.20/602,881,302.58 = 152,997,889.80/x
  3. Step 3: Cross multiply
    402,035,128.20x = 602,881,302.58 × 152,997,889.80
  4. Step 4: Simplify right side
    402,035,128.20x = 92,239,567,094,615,312
  5. Step 5: Solve for x
    x = 92,239,567,094,615,312/402,035,128.20
  6. Step 6: Final answer
    x = 229,431,610.88

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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.