Home / 86,261,515,411.80-129,406,177,003.74-26,570,149,946.76

Finding the Fourth Proportional to 86,261,515,411.80, 129,406,177,003.74 and 26,570,149,946.76

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Solution

The fourth proportional to 86,261,515,411.80, 129,406,177,003.74 and 26,570,149,946.76 is: 39,859,507,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261,515,411.80 : 129,406,177,003.74 = 26,570,149,946.76 : x
  2. Step 2: Convert to fraction form
    86,261,515,411.80/129,406,177,003.74 = 26,570,149,946.76/x
  3. Step 3: Cross multiply
    86,261,515,411.80x = 129,406,177,003.74 × 26,570,149,946.76
  4. Step 4: Simplify right side
    86,261,515,411.80x = 3,438,341,527,026,337,316,864
  5. Step 5: Solve for x
    x = 3,438,341,527,026,337,316,864/86,261,515,411.80
  6. Step 6: Final answer
    x = 39,859,507,575.45

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1.5x scale

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.