Home / 841,641,173.93-1,161,500,689.74-470,363,194.37

Finding the Fourth Proportional to 841,641,173.93, 1,161,500,689.74 and 470,363,194.37

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Solution

The fourth proportional to 841,641,173.93, 1,161,500,689.74 and 470,363,194.37 is: 649,121,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,641,173.93 : 1,161,500,689.74 = 470,363,194.37 : x
  2. Step 2: Convert to fraction form
    841,641,173.93/1,161,500,689.74 = 470,363,194.37/x
  3. Step 3: Cross multiply
    841,641,173.93x = 1,161,500,689.74 × 470,363,194.37
  4. Step 4: Simplify right side
    841,641,173.93x = 546,327,174,683,257,216
  5. Step 5: Solve for x
    x = 546,327,174,683,257,216/841,641,173.93
  6. Step 6: Final answer
    x = 649,121,254.53

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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.