Home / 485,698,784.91-670,264,323.33-262,680,465.02

Finding the Fourth Proportional to 485,698,784.91, 670,264,323.33 and 262,680,465.02

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Solution

The fourth proportional to 485,698,784.91, 670,264,323.33 and 262,680,465.02 is: 362,499,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,698,784.91 : 670,264,323.33 = 262,680,465.02 : x
  2. Step 2: Convert to fraction form
    485,698,784.91/670,264,323.33 = 262,680,465.02/x
  3. Step 3: Cross multiply
    485,698,784.91x = 670,264,323.33 × 262,680,465.02
  4. Step 4: Simplify right side
    485,698,784.91x = 176,065,344,135,288,704
  5. Step 5: Solve for x
    x = 176,065,344,135,288,704/485,698,784.91
  6. Step 6: Final answer
    x = 362,499,041.80

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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.