Home / 811,303,388.34-1,119,624,019.74-458,872,482.72

Finding the Fourth Proportional to 811,303,388.34, 1,119,624,019.74 and 458,872,482.72

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Solution

The fourth proportional to 811,303,388.34, 1,119,624,019.74 and 458,872,482.72 is: 633,258,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,303,388.34 : 1,119,624,019.74 = 458,872,482.72 : x
  2. Step 2: Convert to fraction form
    811,303,388.34/1,119,624,019.74 = 458,872,482.72/x
  3. Step 3: Cross multiply
    811,303,388.34x = 1,119,624,019.74 × 458,872,482.72
  4. Step 4: Simplify right side
    811,303,388.34x = 513,764,653,651,040,128
  5. Step 5: Solve for x
    x = 513,764,653,651,040,128/811,303,388.34
  6. Step 6: Final answer
    x = 633,258,360.60

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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.