Home / 56,697,550,858.40-85,038,264,130.80-19,434,262,128.80

Finding the Fourth Proportional to 56,697,550,858.40, 85,038,264,130.80 and 19,434,262,128.80

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Solution

The fourth proportional to 56,697,550,858.40, 85,038,264,130.80 and 19,434,262,128.80 is: 29,148,629,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,697,550,858.40 : 85,038,264,130.80 = 19,434,262,128.80 : x
  2. Step 2: Convert to fraction form
    56,697,550,858.40/85,038,264,130.80 = 19,434,262,128.80/x
  3. Step 3: Cross multiply
    56,697,550,858.40x = 85,038,264,130.80 × 19,434,262,128.80
  4. Step 4: Simplify right side
    56,697,550,858.40x = 1,652,655,916,096,097,878,016
  5. Step 5: Solve for x
    x = 1,652,655,916,096,097,878,016/56,697,550,858.40
  6. Step 6: Final answer
    x = 29,148,629,721.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.