Home / 28,139,840,254.03-42,211,117,921.81-9,252,709,774.06

Finding the Fourth Proportional to 28,139,840,254.03, 42,211,117,921.81 and 9,252,709,774.06

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Solution

The fourth proportional to 28,139,840,254.03, 42,211,117,921.81 and 9,252,709,774.06 is: 13,879,511,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,840,254.03 : 42,211,117,921.81 = 9,252,709,774.06 : x
  2. Step 2: Convert to fraction form
    28,139,840,254.03/42,211,117,921.81 = 9,252,709,774.06/x
  3. Step 3: Cross multiply
    28,139,840,254.03x = 42,211,117,921.81 × 9,252,709,774.06
  4. Step 4: Simplify right side
    28,139,840,254.03x = 390,567,223,369,006,579,712
  5. Step 5: Solve for x
    x = 390,567,223,369,006,579,712/28,139,840,254.03
  6. Step 6: Final answer
    x = 13,879,511,036.42

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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.