Home / 841,640,953.60-1,161,500,385.68-470,362,974.04

Finding the Fourth Proportional to 841,640,953.60, 1,161,500,385.68 and 470,362,974.04

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Solution

The fourth proportional to 841,640,953.60, 1,161,500,385.68 and 470,362,974.04 is: 649,120,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,640,953.60 : 1,161,500,385.68 = 470,362,974.04 : x
  2. Step 2: Convert to fraction form
    841,640,953.60/1,161,500,385.68 = 470,362,974.04/x
  3. Step 3: Cross multiply
    841,640,953.60x = 1,161,500,385.68 × 470,362,974.04
  4. Step 4: Simplify right side
    841,640,953.60x = 546,326,775,757,051,904
  5. Step 5: Solve for x
    x = 546,326,775,757,051,904/841,640,953.60
  6. Step 6: Final answer
    x = 649,120,950.47

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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.