Home / 677,808,002.40-1,016,712,003.60-186,520,322.40

Finding the Fourth Proportional to 677,808,002.40, 1,016,712,003.60 and 186,520,322.40

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Solution

The fourth proportional to 677,808,002.40, 1,016,712,003.60 and 186,520,322.40 is: 279,780,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,808,002.40 : 1,016,712,003.60 = 186,520,322.40 : x
  2. Step 2: Convert to fraction form
    677,808,002.40/1,016,712,003.60 = 186,520,322.40/x
  3. Step 3: Cross multiply
    677,808,002.40x = 1,016,712,003.60 × 186,520,322.40
  4. Step 4: Simplify right side
    677,808,002.40x = 189,637,450,699,421,984
  5. Step 5: Solve for x
    x = 189,637,450,699,421,984/677,808,002.40
  6. Step 6: Final answer
    x = 279,780,483.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.