Home / 642,736,599.08-886,155,367.74-416,275,451.24

Finding the Fourth Proportional to 642,736,599.08, 886,155,367.74 and 416,275,451.24

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Solution

The fourth proportional to 642,736,599.08, 886,155,367.74 and 416,275,451.24 is: 573,928,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,736,599.08 : 886,155,367.74 = 416,275,451.24 : x
  2. Step 2: Convert to fraction form
    642,736,599.08/886,155,367.74 = 416,275,451.24/x
  3. Step 3: Cross multiply
    642,736,599.08x = 886,155,367.74 × 416,275,451.24
  4. Step 4: Simplify right side
    642,736,599.08x = 368,884,725,574,716,672
  5. Step 5: Solve for x
    x = 368,884,725,574,716,672/642,736,599.08
  6. Step 6: Final answer
    x = 573,928,302.98

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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.