Home / 770,439,641.10-1,155,867,969.37-549,390,245.01

Finding the Fourth Proportional to 770,439,641.10, 1,155,867,969.37 and 549,390,245.01

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Solution

The fourth proportional to 770,439,641.10, 1,155,867,969.37 and 549,390,245.01 is: 824,234,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,439,641.10 : 1,155,867,969.37 = 549,390,245.01 : x
  2. Step 2: Convert to fraction form
    770,439,641.10/1,155,867,969.37 = 549,390,245.01/x
  3. Step 3: Cross multiply
    770,439,641.10x = 1,155,867,969.37 × 549,390,245.01
  4. Step 4: Simplify right side
    770,439,641.10x = 635,022,586,891,395,456
  5. Step 5: Solve for x
    x = 635,022,586,891,395,456/770,439,641.10
  6. Step 6: Final answer
    x = 824,234,051.59

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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.