Home / 401,572,069.42-602,528,365.04-194,464,793.72

Finding the Fourth Proportional to 401,572,069.42, 602,528,365.04 and 194,464,793.72

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Solution

The fourth proportional to 401,572,069.42, 602,528,365.04 and 194,464,793.72 is: 291,779,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,572,069.42 : 602,528,365.04 = 194,464,793.72 : x
  2. Step 2: Convert to fraction form
    401,572,069.42/602,528,365.04 = 194,464,793.72/x
  3. Step 3: Cross multiply
    401,572,069.42x = 602,528,365.04 × 194,464,793.72
  4. Step 4: Simplify right side
    401,572,069.42x = 117,170,554,219,583,232
  5. Step 5: Solve for x
    x = 117,170,554,219,583,232/401,572,069.42
  6. Step 6: Final answer
    x = 291,779,640.92

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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.