Home / 691,314,357.87-954,087,746.27-423,567,878.22

Finding the Fourth Proportional to 691,314,357.87, 954,087,746.27 and 423,567,878.22

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Solution

The fourth proportional to 691,314,357.87, 954,087,746.27 and 423,567,878.22 is: 584,568,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,314,357.87 : 954,087,746.27 = 423,567,878.22 : x
  2. Step 2: Convert to fraction form
    691,314,357.87/954,087,746.27 = 423,567,878.22/x
  3. Step 3: Cross multiply
    691,314,357.87x = 954,087,746.27 × 423,567,878.22
  4. Step 4: Simplify right side
    691,314,357.87x = 404,120,922,321,167,808
  5. Step 5: Solve for x
    x = 404,120,922,321,167,808/691,314,357.87
  6. Step 6: Final answer
    x = 584,568,970.28

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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.