Home / 12,072,249,620.20-18,108,374,430.30-10,143,756,519.40

Finding the Fourth Proportional to 12,072,249,620.20, 18,108,374,430.30 and 10,143,756,519.40

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Solution

The fourth proportional to 12,072,249,620.20, 18,108,374,430.30 and 10,143,756,519.40 is: 15,215,634,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,249,620.20 : 18,108,374,430.30 = 10,143,756,519.40 : x
  2. Step 2: Convert to fraction form
    12,072,249,620.20/18,108,374,430.30 = 10,143,756,519.40/x
  3. Step 3: Cross multiply
    12,072,249,620.20x = 18,108,374,430.30 × 10,143,756,519.40
  4. Step 4: Simplify right side
    12,072,249,620.20x = 183,686,941,183,091,867,648
  5. Step 5: Solve for x
    x = 183,686,941,183,091,867,648/12,072,249,620.20
  6. Step 6: Final answer
    x = 15,215,634,779.10

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1.5x scale

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.