Home / 390,284,114,999.40-584,733,583,567.25-163,142,857,670.77

Finding the Fourth Proportional to 390,284,114,999.40, 584,733,583,567.25 and 163,142,857,670.77

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Solution

The fourth proportional to 390,284,114,999.40, 584,733,583,567.25 and 163,142,857,670.77 is: 244,424,777,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,284,114,999.40 : 584,733,583,567.25 = 163,142,857,670.77 : x
  2. Step 2: Convert to fraction form
    390,284,114,999.40/584,733,583,567.25 = 163,142,857,670.77/x
  3. Step 3: Cross multiply
    390,284,114,999.40x = 584,733,583,567.25 × 163,142,857,670.77
  4. Step 4: Simplify right side
    390,284,114,999.40x = 95,395,107,799,231,159,599,104
  5. Step 5: Solve for x
    x = 95,395,107,799,231,159,599,104/390,284,114,999.40
  6. Step 6: Final answer
    x = 244,424,777,061.14

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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.