Home / 1,579,594,971.67-2,179,909,582.51-874,746,953.21

Finding the Fourth Proportional to 1,579,594,971.67, 2,179,909,582.51 and 874,746,953.21

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Solution

The fourth proportional to 1,579,594,971.67, 2,179,909,582.51 and 874,746,953.21 is: 1,207,188,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,594,971.67 : 2,179,909,582.51 = 874,746,953.21 : x
  2. Step 2: Convert to fraction form
    1,579,594,971.67/2,179,909,582.51 = 874,746,953.21/x
  3. Step 3: Cross multiply
    1,579,594,971.67x = 2,179,909,582.51 × 874,746,953.21
  4. Step 4: Simplify right side
    1,579,594,971.67x = 1,906,869,265,573,905,920
  5. Step 5: Solve for x
    x = 1,906,869,265,573,905,920/1,579,594,971.67
  6. Step 6: Final answer
    x = 1,207,188,741.27

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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.