Home / 393,376,031.60-590,064,047.40-166,411,756.40

Finding the Fourth Proportional to 393,376,031.60, 590,064,047.40 and 166,411,756.40

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Solution

The fourth proportional to 393,376,031.60, 590,064,047.40 and 166,411,756.40 is: 249,617,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,376,031.60 : 590,064,047.40 = 166,411,756.40 : x
  2. Step 2: Convert to fraction form
    393,376,031.60/590,064,047.40 = 166,411,756.40/x
  3. Step 3: Cross multiply
    393,376,031.60x = 590,064,047.40 × 166,411,756.40
  4. Step 4: Simplify right side
    393,376,031.60x = 98,193,594,516,326,848
  5. Step 5: Solve for x
    x = 98,193,594,516,326,848/393,376,031.60
  6. Step 6: Final answer
    x = 249,617,634.60

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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.