Home / 1,148,485,345.62-1,584,916,233.66-653,448,054.12

Finding the Fourth Proportional to 1,148,485,345.62, 1,584,916,233.66 and 653,448,054.12

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Solution

The fourth proportional to 1,148,485,345.62, 1,584,916,233.66 and 653,448,054.12 is: 901,761,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,485,345.62 : 1,584,916,233.66 = 653,448,054.12 : x
  2. Step 2: Convert to fraction form
    1,148,485,345.62/1,584,916,233.66 = 653,448,054.12/x
  3. Step 3: Cross multiply
    1,148,485,345.62x = 1,584,916,233.66 × 653,448,054.12
  4. Step 4: Simplify right side
    1,148,485,345.62x = 1,035,660,428,828,326,272
  5. Step 5: Solve for x
    x = 1,035,660,428,828,326,272/1,148,485,345.62
  6. Step 6: Final answer
    x = 901,761,988.32

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Double scale
Find fourth proportional to 1,148,485,346.62, 1,584,916,235.04 and 653,448,055.12
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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.