Home / 2,070,057,645.64-3,103,272,483.18-778,500,126.28

Finding the Fourth Proportional to 2,070,057,645.64, 3,103,272,483.18 and 778,500,126.28

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Solution

The fourth proportional to 2,070,057,645.64, 3,103,272,483.18 and 778,500,126.28 is: 1,167,067,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,057,645.64 : 3,103,272,483.18 = 778,500,126.28 : x
  2. Step 2: Convert to fraction form
    2,070,057,645.64/3,103,272,483.18 = 778,500,126.28/x
  3. Step 3: Cross multiply
    2,070,057,645.64x = 3,103,272,483.18 × 778,500,126.28
  4. Step 4: Simplify right side
    2,070,057,645.64x = 2,415,898,020,036,878,848
  5. Step 5: Solve for x
    x = 2,415,898,020,036,878,848/2,070,057,645.64
  6. Step 6: Final answer
    x = 1,167,067,992.10

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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.