Home / 31,478,728,304.76-43,440,539,596.02-17,205,547,661.52

Finding the Fourth Proportional to 31,478,728,304.76, 43,440,539,596.02 and 17,205,547,661.52

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Solution

The fourth proportional to 31,478,728,304.76, 43,440,539,596.02 and 17,205,547,661.52 is: 23,743,598,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,728,304.76 : 43,440,539,596.02 = 17,205,547,661.52 : x
  2. Step 2: Convert to fraction form
    31,478,728,304.76/43,440,539,596.02 = 17,205,547,661.52/x
  3. Step 3: Cross multiply
    31,478,728,304.76x = 43,440,539,596.02 × 17,205,547,661.52
  4. Step 4: Simplify right side
    31,478,728,304.76x = 747,418,274,461,468,852,224
  5. Step 5: Solve for x
    x = 747,418,274,461,468,852,224/31,478,728,304.76
  6. Step 6: Final answer
    x = 23,743,598,128.41

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Double scale
Find fourth proportional to 31,478,728,305.76, 43,440,539,597.40 and 17,205,547,662.52
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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.