Home / 1,296,127,913.34-1,788,661,036.74-701,412,248.64

Finding the Fourth Proportional to 1,296,127,913.34, 1,788,661,036.74 and 701,412,248.64

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Solution

The fourth proportional to 1,296,127,913.34, 1,788,661,036.74 and 701,412,248.64 is: 967,951,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,127,913.34 : 1,788,661,036.74 = 701,412,248.64 : x
  2. Step 2: Convert to fraction form
    1,296,127,913.34/1,788,661,036.74 = 701,412,248.64/x
  3. Step 3: Cross multiply
    1,296,127,913.34x = 1,788,661,036.74 × 701,412,248.64
  4. Step 4: Simplify right side
    1,296,127,913.34x = 1,254,588,759,834,556,928
  5. Step 5: Solve for x
    x = 1,254,588,759,834,556,928/1,296,127,913.34
  6. Step 6: Final answer
    x = 967,951,347.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.