Home / 913,557,005.60-1,260,676,048.55-517,071,482.49

Finding the Fourth Proportional to 913,557,005.60, 1,260,676,048.55 and 517,071,482.49

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Solution

The fourth proportional to 913,557,005.60, 1,260,676,048.55 and 517,071,482.49 is: 713,540,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,557,005.60 : 1,260,676,048.55 = 517,071,482.49 : x
  2. Step 2: Convert to fraction form
    913,557,005.60/1,260,676,048.55 = 517,071,482.49/x
  3. Step 3: Cross multiply
    913,557,005.60x = 1,260,676,048.55 × 517,071,482.49
  4. Step 4: Simplify right side
    913,557,005.60x = 651,859,633,360,798,464
  5. Step 5: Solve for x
    x = 651,859,633,360,798,464/913,557,005.60
  6. Step 6: Final answer
    x = 713,540,183.45

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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.