Home / 841,640,941.05-1,161,500,368.41-470,362,961.49

Finding the Fourth Proportional to 841,640,941.05, 1,161,500,368.41 and 470,362,961.49

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Solution

The fourth proportional to 841,640,941.05, 1,161,500,368.41 and 470,362,961.49 is: 649,120,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,640,941.05 : 1,161,500,368.41 = 470,362,961.49 : x
  2. Step 2: Convert to fraction form
    841,640,941.05/1,161,500,368.41 = 470,362,961.49/x
  3. Step 3: Cross multiply
    841,640,941.05x = 1,161,500,368.41 × 470,362,961.49
  4. Step 4: Simplify right side
    841,640,941.05x = 546,326,753,057,053,696
  5. Step 5: Solve for x
    x = 546,326,753,057,053,696/841,640,941.05
  6. Step 6: Final answer
    x = 649,120,933.18

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1.5x scale

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.