Home / 310,681,803,181.14-428,678,707,001.93-173,483,519,437.74

Finding the Fourth Proportional to 310,681,803,181.14, 428,678,707,001.93 and 173,483,519,437.74

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Solution

The fourth proportional to 310,681,803,181.14, 428,678,707,001.93 and 173,483,519,437.74 is: 239,372,534,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,681,803,181.14 : 428,678,707,001.93 = 173,483,519,437.74 : x
  2. Step 2: Convert to fraction form
    310,681,803,181.14/428,678,707,001.93 = 173,483,519,437.74/x
  3. Step 3: Cross multiply
    310,681,803,181.14x = 428,678,707,001.93 × 173,483,519,437.74
  4. Step 4: Simplify right side
    310,681,803,181.14x = 74,368,690,798,714,565,951,488
  5. Step 5: Solve for x
    x = 74,368,690,798,714,565,951,488/310,681,803,181.14
  6. Step 6: Final answer
    x = 239,372,534,977.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.