Home / 12,608,779,139.10-18,917,945,465.31-7,570,154,280.45

Finding the Fourth Proportional to 12,608,779,139.10, 18,917,945,465.31 and 7,570,154,280.45

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Solution

The fourth proportional to 12,608,779,139.10, 18,917,945,465.31 and 7,570,154,280.45 is: 11,358,099,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608,779,139.10 : 18,917,945,465.31 = 7,570,154,280.45 : x
  2. Step 2: Convert to fraction form
    12,608,779,139.10/18,917,945,465.31 = 7,570,154,280.45/x
  3. Step 3: Cross multiply
    12,608,779,139.10x = 18,917,945,465.31 × 7,570,154,280.45
  4. Step 4: Simplify right side
    12,608,779,139.10x = 143,211,765,841,536,172,032
  5. Step 5: Solve for x
    x = 143,211,765,841,536,172,032/12,608,779,139.10
  6. Step 6: Final answer
    x = 11,358,099,326.00

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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.