Home / 841,488,856.07-1,161,232,342.22-470,213,938.31

Finding the Fourth Proportional to 841,488,856.07, 1,161,232,342.22 and 470,213,938.31

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Solution

The fourth proportional to 841,488,856.07, 1,161,232,342.22 and 470,213,938.31 is: 648,882,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,488,856.07 : 1,161,232,342.22 = 470,213,938.31 : x
  2. Step 2: Convert to fraction form
    841,488,856.07/1,161,232,342.22 = 470,213,938.31/x
  3. Step 3: Cross multiply
    841,488,856.07x = 1,161,232,342.22 × 470,213,938.31
  4. Step 4: Simplify right side
    841,488,856.07x = 546,027,632,923,581,312
  5. Step 5: Solve for x
    x = 546,027,632,923,581,312/841,488,856.07
  6. Step 6: Final answer
    x = 648,882,785.54

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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.