Home / 1,256,536,875.63-1,733,999,733.06-692,074,321.62

Finding the Fourth Proportional to 1,256,536,875.63, 1,733,999,733.06 and 692,074,321.62

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Solution

The fourth proportional to 1,256,536,875.63, 1,733,999,733.06 and 692,074,321.62 is: 955,050,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,536,875.63 : 1,733,999,733.06 = 692,074,321.62 : x
  2. Step 2: Convert to fraction form
    1,256,536,875.63/1,733,999,733.06 = 692,074,321.62/x
  3. Step 3: Cross multiply
    1,256,536,875.63x = 1,733,999,733.06 × 692,074,321.62
  4. Step 4: Simplify right side
    1,256,536,875.63x = 1,200,056,688,944,130,816
  5. Step 5: Solve for x
    x = 1,200,056,688,944,130,816/1,256,536,875.63
  6. Step 6: Final answer
    x = 955,050,911.93

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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.