Home / 385,562,301.48-532,075,976.04-220,549,870.96

Finding the Fourth Proportional to 385,562,301.48, 532,075,976.04 and 220,549,870.96

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Solution

The fourth proportional to 385,562,301.48, 532,075,976.04 and 220,549,870.96 is: 304,358,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,562,301.48 : 532,075,976.04 = 220,549,870.96 : x
  2. Step 2: Convert to fraction form
    385,562,301.48/532,075,976.04 = 220,549,870.96/x
  3. Step 3: Cross multiply
    385,562,301.48x = 532,075,976.04 × 220,549,870.96
  4. Step 4: Simplify right side
    385,562,301.48x = 117,349,287,856,538,064
  5. Step 5: Solve for x
    x = 117,349,287,856,538,064/385,562,301.48
  6. Step 6: Final answer
    x = 304,358,821.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.