Home / 12,889,550,124,912-17,787,488,684,713-7,036,657,376,943.40

Finding the Fourth Proportional to 12,889,550,124,912, 17,787,488,684,713 and 7,036,657,376,943.40

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Solution

The fourth proportional to 12,889,550,124,912, 17,787,488,684,713 and 7,036,657,376,943.40 is: 9,710,537,781,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,550,124,912 : 17,787,488,684,713 = 7,036,657,376,943.40 : x
  2. Step 2: Convert to fraction form
    12,889,550,124,912/17,787,488,684,713 = 7,036,657,376,943.40/x
  3. Step 3: Cross multiply
    12,889,550,124,912x = 17,787,488,684,713 × 7,036,657,376,943.40
  4. Step 4: Simplify right side
    12,889,550,124,912x = 125,164,463,470,582,996,750,303,232
  5. Step 5: Solve for x
    x = 125,164,463,470,582,996,750,303,232/12,889,550,124,912
  6. Step 6: Final answer
    x = 9,710,537,781,196.42

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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.