Home / 370,938,467.20-556,407,700.80-232,986,006.40

Finding the Fourth Proportional to 370,938,467.20, 556,407,700.80 and 232,986,006.40

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Solution

The fourth proportional to 370,938,467.20, 556,407,700.80 and 232,986,006.40 is: 349,479,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,938,467.20 : 556,407,700.80 = 232,986,006.40 : x
  2. Step 2: Convert to fraction form
    370,938,467.20/556,407,700.80 = 232,986,006.40/x
  3. Step 3: Cross multiply
    370,938,467.20x = 556,407,700.80 × 232,986,006.40
  4. Step 4: Simplify right side
    370,938,467.20x = 129,635,208,139,598,080
  5. Step 5: Solve for x
    x = 129,635,208,139,598,080/370,938,467.20
  6. Step 6: Final answer
    x = 349,479,009.60

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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.