Home / 581,291,655.28-802,176,628.32-316,972,980.16

Finding the Fourth Proportional to 581,291,655.28, 802,176,628.32 and 316,972,980.16

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Solution

The fourth proportional to 581,291,655.28, 802,176,628.32 and 316,972,980.16 is: 437,419,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,291,655.28 : 802,176,628.32 = 316,972,980.16 : x
  2. Step 2: Convert to fraction form
    581,291,655.28/802,176,628.32 = 316,972,980.16/x
  3. Step 3: Cross multiply
    581,291,655.28x = 802,176,628.32 × 316,972,980.16
  4. Step 4: Simplify right side
    581,291,655.28x = 254,268,316,493,291,104
  5. Step 5: Solve for x
    x = 254,268,316,493,291,104/581,291,655.28
  6. Step 6: Final answer
    x = 437,419,519.42

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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.