Home / 841,369,976.83-1,161,150,650.94-465,018,476.86

Finding the Fourth Proportional to 841,369,976.83, 1,161,150,650.94 and 465,018,476.86

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Solution

The fourth proportional to 841,369,976.83, 1,161,150,650.94 and 465,018,476.86 is: 641,758,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,369,976.83 : 1,161,150,650.94 = 465,018,476.86 : x
  2. Step 2: Convert to fraction form
    841,369,976.83/1,161,150,650.94 = 465,018,476.86/x
  3. Step 3: Cross multiply
    841,369,976.83x = 1,161,150,650.94 × 465,018,476.86
  4. Step 4: Simplify right side
    841,369,976.83x = 539,956,507,105,116,352
  5. Step 5: Solve for x
    x = 539,956,507,105,116,352/841,369,976.83
  6. Step 6: Final answer
    x = 641,758,705.41

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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.