Home / 460,988,642.08-636,169,260.72-252,140,318.92

Finding the Fourth Proportional to 460,988,642.08, 636,169,260.72 and 252,140,318.92

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Solution

The fourth proportional to 460,988,642.08, 636,169,260.72 and 252,140,318.92 is: 347,956,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,988,642.08 : 636,169,260.72 = 252,140,318.92 : x
  2. Step 2: Convert to fraction form
    460,988,642.08/636,169,260.72 = 252,140,318.92/x
  3. Step 3: Cross multiply
    460,988,642.08x = 636,169,260.72 × 252,140,318.92
  4. Step 4: Simplify right side
    460,988,642.08x = 160,403,920,285,041,440
  5. Step 5: Solve for x
    x = 160,403,920,285,041,440/460,988,642.08
  6. Step 6: Final answer
    x = 347,956,339.14

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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.