Home / 338,286,643.20-507,429,964.80-236,249,971.20

Finding the Fourth Proportional to 338,286,643.20, 507,429,964.80 and 236,249,971.20

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Solution

The fourth proportional to 338,286,643.20, 507,429,964.80 and 236,249,971.20 is: 354,374,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,286,643.20 : 507,429,964.80 = 236,249,971.20 : x
  2. Step 2: Convert to fraction form
    338,286,643.20/507,429,964.80 = 236,249,971.20/x
  3. Step 3: Cross multiply
    338,286,643.20x = 507,429,964.80 × 236,249,971.20
  4. Step 4: Simplify right side
    338,286,643.20x = 119,880,314,570,017,008
  5. Step 5: Solve for x
    x = 119,880,314,570,017,008/338,286,643.20
  6. Step 6: Final answer
    x = 354,374,956.80

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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.