Home / 421,666,365.60-632,499,548.40-249,054,328.80

Finding the Fourth Proportional to 421,666,365.60, 632,499,548.40 and 249,054,328.80

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Solution

The fourth proportional to 421,666,365.60, 632,499,548.40 and 249,054,328.80 is: 373,581,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,666,365.60 : 632,499,548.40 = 249,054,328.80 : x
  2. Step 2: Convert to fraction form
    421,666,365.60/632,499,548.40 = 249,054,328.80/x
  3. Step 3: Cross multiply
    421,666,365.60x = 632,499,548.40 × 249,054,328.80
  4. Step 4: Simplify right side
    421,666,365.60x = 157,526,750,493,065,120
  5. Step 5: Solve for x
    x = 157,526,750,493,065,120/421,666,365.60
  6. Step 6: Final answer
    x = 373,581,493.20

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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.