Home / 956,448,020.40-1,434,672,030.60-870,283,719.60

Finding the Fourth Proportional to 956,448,020.40, 1,434,672,030.60 and 870,283,719.60

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Solution

The fourth proportional to 956,448,020.40, 1,434,672,030.60 and 870,283,719.60 is: 1,305,425,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,448,020.40 : 1,434,672,030.60 = 870,283,719.60 : x
  2. Step 2: Convert to fraction form
    956,448,020.40/1,434,672,030.60 = 870,283,719.60/x
  3. Step 3: Cross multiply
    956,448,020.40x = 1,434,672,030.60 × 870,283,719.60
  4. Step 4: Simplify right side
    956,448,020.40x = 1,248,571,711,196,653,056
  5. Step 5: Solve for x
    x = 1,248,571,711,196,653,056/956,448,020.40
  6. Step 6: Final answer
    x = 1,305,425,579.40

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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.