Home / 912,589,444,555.55-1,368,884,166,833.40-873,897,138,533.20

Finding the Fourth Proportional to 912,589,444,555.55, 1,368,884,166,833.40 and 873,897,138,533.20

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Solution

The fourth proportional to 912,589,444,555.55, 1,368,884,166,833.40 and 873,897,138,533.20 is: 1,310,845,707,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,589,444,555.55 : 1,368,884,166,833.40 = 873,897,138,533.20 : x
  2. Step 2: Convert to fraction form
    912,589,444,555.55/1,368,884,166,833.40 = 873,897,138,533.20/x
  3. Step 3: Cross multiply
    912,589,444,555.55x = 1,368,884,166,833.40 × 873,897,138,533.20
  4. Step 4: Simplify right side
    912,589,444,555.55x = 1,196,263,956,379,111,654,424,576
  5. Step 5: Solve for x
    x = 1,196,263,956,379,111,654,424,576/912,589,444,555.55
  6. Step 6: Final answer
    x = 1,310,845,707,799.87

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Double scale
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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.