Home / 12,306,818,973.60-18,459,780,562.80-4,943,830,327.20

Finding the Fourth Proportional to 12,306,818,973.60, 18,459,780,562.80 and 4,943,830,327.20

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Solution

The fourth proportional to 12,306,818,973.60, 18,459,780,562.80 and 4,943,830,327.20 is: 7,415,565,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,818,973.60 : 18,459,780,562.80 = 4,943,830,327.20 : x
  2. Step 2: Convert to fraction form
    12,306,818,973.60/18,459,780,562.80 = 4,943,830,327.20/x
  3. Step 3: Cross multiply
    12,306,818,973.60x = 18,459,780,562.80 × 4,943,830,327.20
  4. Step 4: Simplify right side
    12,306,818,973.60x = 91,262,022,979,827,712,000
  5. Step 5: Solve for x
    x = 91,262,022,979,827,712,000/12,306,818,973.60
  6. Step 6: Final answer
    x = 7,415,565,563.74

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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.