Home / 328,823,011,615.82-493,236,696,681.77-127,387,118,319.62

Finding the Fourth Proportional to 328,823,011,615.82, 493,236,696,681.77 and 127,387,118,319.62

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Solution

The fourth proportional to 328,823,011,615.82, 493,236,696,681.77 and 127,387,118,319.62 is: 191,081,521,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,823,011,615.82 : 493,236,696,681.77 = 127,387,118,319.62 : x
  2. Step 2: Convert to fraction form
    328,823,011,615.82/493,236,696,681.77 = 127,387,118,319.62/x
  3. Step 3: Cross multiply
    328,823,011,615.82x = 493,236,696,681.77 × 127,387,118,319.62
  4. Step 4: Simplify right side
    328,823,011,615.82x = 62,832,001,439,779,157,704,704
  5. Step 5: Solve for x
    x = 62,832,001,439,779,157,704,704/328,823,011,615.82
  6. Step 6: Final answer
    x = 191,081,521,731.18

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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.