Home / 437,803,053.60-656,271,428.40-207,367,111.20

Finding the Fourth Proportional to 437,803,053.60, 656,271,428.40 and 207,367,111.20

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Solution

The fourth proportional to 437,803,053.60, 656,271,428.40 and 207,367,111.20 is: 310,845,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,803,053.60 : 656,271,428.40 = 207,367,111.20 : x
  2. Step 2: Convert to fraction form
    437,803,053.60/656,271,428.40 = 207,367,111.20/x
  3. Step 3: Cross multiply
    437,803,053.60x = 656,271,428.40 × 207,367,111.20
  4. Step 4: Simplify right side
    437,803,053.60x = 136,089,110,270,405,632
  5. Step 5: Solve for x
    x = 136,089,110,270,405,632/437,803,053.60
  6. Step 6: Final answer
    x = 310,845,502.68

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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.