Home / 463,574,016,374.40-695,361,024,561.60-165,790,192,809.60

Finding the Fourth Proportional to 463,574,016,374.40, 695,361,024,561.60 and 165,790,192,809.60

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Solution

The fourth proportional to 463,574,016,374.40, 695,361,024,561.60 and 165,790,192,809.60 is: 248,685,289,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,574,016,374.40 : 695,361,024,561.60 = 165,790,192,809.60 : x
  2. Step 2: Convert to fraction form
    463,574,016,374.40/695,361,024,561.60 = 165,790,192,809.60/x
  3. Step 3: Cross multiply
    463,574,016,374.40x = 695,361,024,561.60 × 165,790,192,809.60
  4. Step 4: Simplify right side
    463,574,016,374.40x = 115,284,038,334,348,670,271,488
  5. Step 5: Solve for x
    x = 115,284,038,334,348,670,271,488/463,574,016,374.40
  6. Step 6: Final answer
    x = 248,685,289,214.40

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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.