Home / 825,312,034.20-1,237,968,051.30-549,813,019.80

Finding the Fourth Proportional to 825,312,034.20, 1,237,968,051.30 and 549,813,019.80

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Solution

The fourth proportional to 825,312,034.20, 1,237,968,051.30 and 549,813,019.80 is: 824,719,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,312,034.20 : 1,237,968,051.30 = 549,813,019.80 : x
  2. Step 2: Convert to fraction form
    825,312,034.20/1,237,968,051.30 = 549,813,019.80/x
  3. Step 3: Cross multiply
    825,312,034.20x = 1,237,968,051.30 × 549,813,019.80
  4. Step 4: Simplify right side
    825,312,034.20x = 680,650,952,701,174,272
  5. Step 5: Solve for x
    x = 680,650,952,701,174,272/825,312,034.20
  6. Step 6: Final answer
    x = 824,719,529.70

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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.