Home / 38,986,929,554,461-53,802,450,316,403-21,430,168,150,957

Finding the Fourth Proportional to 38,986,929,554,461, 53,802,450,316,403 and 21,430,168,150,957

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Solution

The fourth proportional to 38,986,929,554,461, 53,802,450,316,403 and 21,430,168,150,957 is: 29,573,900,032,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,929,554,461 : 53,802,450,316,403 = 21,430,168,150,957 : x
  2. Step 2: Convert to fraction form
    38,986,929,554,461/53,802,450,316,403 = 21,430,168,150,957/x
  3. Step 3: Cross multiply
    38,986,929,554,461x = 53,802,450,316,403 × 21,430,168,150,957
  4. Step 4: Simplify right side
    38,986,929,554,461x = 1,152,995,557,214,025,951,360,319,488
  5. Step 5: Solve for x
    x = 1,152,995,557,214,025,951,360,319,488/38,986,929,554,461
  6. Step 6: Final answer
    x = 29,573,900,032,404.50

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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.