Home / 642,736,598.08-886,155,366.36-416,275,450.24

Finding the Fourth Proportional to 642,736,598.08, 886,155,366.36 and 416,275,450.24

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Solution

The fourth proportional to 642,736,598.08, 886,155,366.36 and 416,275,450.24 is: 573,928,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,736,598.08 : 886,155,366.36 = 416,275,450.24 : x
  2. Step 2: Convert to fraction form
    642,736,598.08/886,155,366.36 = 416,275,450.24/x
  3. Step 3: Cross multiply
    642,736,598.08x = 886,155,366.36 × 416,275,450.24
  4. Step 4: Simplify right side
    642,736,598.08x = 368,884,724,114,101,184
  5. Step 5: Solve for x
    x = 368,884,724,114,101,184/642,736,598.08
  6. Step 6: Final answer
    x = 573,928,301.60

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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.