Home / 1,785,879,278.58-2,464,651,426.55-1,071,441,717.89

Finding the Fourth Proportional to 1,785,879,278.58, 2,464,651,426.55 and 1,071,441,717.89

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Solution

The fourth proportional to 1,785,879,278.58, 2,464,651,426.55 and 1,071,441,717.89 is: 1,478,672,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,879,278.58 : 2,464,651,426.55 = 1,071,441,717.89 : x
  2. Step 2: Convert to fraction form
    1,785,879,278.58/2,464,651,426.55 = 1,071,441,717.89/x
  3. Step 3: Cross multiply
    1,785,879,278.58x = 2,464,651,426.55 × 1,071,441,717.89
  4. Step 4: Simplify right side
    1,785,879,278.58x = 2,640,730,358,445,090,816
  5. Step 5: Solve for x
    x = 2,640,730,358,445,090,816/1,785,879,278.58
  6. Step 6: Final answer
    x = 1,478,672,377.31

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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.