Home / 943,037,706.72-1,291,966,268.22-907,692,874.08

Finding the Fourth Proportional to 943,037,706.72, 1,291,966,268.22 and 907,692,874.08

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Solution

The fourth proportional to 943,037,706.72, 1,291,966,268.22 and 907,692,874.08 is: 1,243,543,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,037,706.72 : 1,291,966,268.22 = 907,692,874.08 : x
  2. Step 2: Convert to fraction form
    943,037,706.72/1,291,966,268.22 = 907,692,874.08/x
  3. Step 3: Cross multiply
    943,037,706.72x = 1,291,966,268.22 × 907,692,874.08
  4. Step 4: Simplify right side
    943,037,706.72x = 1,172,708,575,215,024,128
  5. Step 5: Solve for x
    x = 1,172,708,575,215,024,128/943,037,706.72
  6. Step 6: Final answer
    x = 1,243,543,674.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.