Home / 586,206,126.08-808,927,660.32-321,886,268.72

Finding the Fourth Proportional to 586,206,126.08, 808,927,660.32 and 321,886,268.72

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Solution

The fourth proportional to 586,206,126.08, 808,927,660.32 and 321,886,268.72 is: 444,182,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,206,126.08 : 808,927,660.32 = 321,886,268.72 : x
  2. Step 2: Convert to fraction form
    586,206,126.08/808,927,660.32 = 321,886,268.72/x
  3. Step 3: Cross multiply
    586,206,126.08x = 808,927,660.32 × 321,886,268.72
  4. Step 4: Simplify right side
    586,206,126.08x = 260,382,706,244,804,448
  5. Step 5: Solve for x
    x = 260,382,706,244,804,448/586,206,126.08
  6. Step 6: Final answer
    x = 444,182,847.40

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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.