Home / 385,562,293.74-532,075,965.35-220,549,863.24

Finding the Fourth Proportional to 385,562,293.74, 532,075,965.35 and 220,549,863.24

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Solution

The fourth proportional to 385,562,293.74, 532,075,965.35 and 220,549,863.24 is: 304,358,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,562,293.74 : 532,075,965.35 = 220,549,863.24 : x
  2. Step 2: Convert to fraction form
    385,562,293.74/532,075,965.35 = 220,549,863.24/x
  3. Step 3: Cross multiply
    385,562,293.74x = 532,075,965.35 × 220,549,863.24
  4. Step 4: Simplify right side
    385,562,293.74x = 117,349,281,390,130,736
  5. Step 5: Solve for x
    x = 117,349,281,390,130,736/385,562,293.74
  6. Step 6: Final answer
    x = 304,358,811.26

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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.