Home / 1,178,064,419.80-1,767,096,629.70-402,585,712.60

Finding the Fourth Proportional to 1,178,064,419.80, 1,767,096,629.70 and 402,585,712.60

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Solution

The fourth proportional to 1,178,064,419.80, 1,767,096,629.70 and 402,585,712.60 is: 603,878,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,419.80 : 1,767,096,629.70 = 402,585,712.60 : x
  2. Step 2: Convert to fraction form
    1,178,064,419.80/1,767,096,629.70 = 402,585,712.60/x
  3. Step 3: Cross multiply
    1,178,064,419.80x = 1,767,096,629.70 × 402,585,712.60
  4. Step 4: Simplify right side
    1,178,064,419.80x = 711,407,855,900,832,896
  5. Step 5: Solve for x
    x = 711,407,855,900,832,896/1,178,064,419.80
  6. Step 6: Final answer
    x = 603,878,568.90

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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.