Home / 830,514,024.60-1,245,771,036.90-817,600,008.30

Finding the Fourth Proportional to 830,514,024.60, 1,245,771,036.90 and 817,600,008.30

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Solution

The fourth proportional to 830,514,024.60, 1,245,771,036.90 and 817,600,008.30 is: 1,226,400,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,514,024.60 : 1,245,771,036.90 = 817,600,008.30 : x
  2. Step 2: Convert to fraction form
    830,514,024.60/1,245,771,036.90 = 817,600,008.30/x
  3. Step 3: Cross multiply
    830,514,024.60x = 1,245,771,036.90 × 817,600,008.30
  4. Step 4: Simplify right side
    830,514,024.60x = 1,018,542,410,109,339,648
  5. Step 5: Solve for x
    x = 1,018,542,410,109,339,648/830,514,024.60
  6. Step 6: Final answer
    x = 1,226,400,012.45

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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.