Home / 699,020,281.60-1,049,202,268.80-354,363,078.40

Finding the Fourth Proportional to 699,020,281.60, 1,049,202,268.80 and 354,363,078.40

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Solution

The fourth proportional to 699,020,281.60, 1,049,202,268.80 and 354,363,078.40 is: 531,885,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,020,281.60 : 1,049,202,268.80 = 354,363,078.40 : x
  2. Step 2: Convert to fraction form
    699,020,281.60/1,049,202,268.80 = 354,363,078.40/x
  3. Step 3: Cross multiply
    699,020,281.60x = 1,049,202,268.80 × 354,363,078.40
  4. Step 4: Simplify right side
    699,020,281.60x = 371,798,545,836,232,256
  5. Step 5: Solve for x
    x = 371,798,545,836,232,256/699,020,281.60
  6. Step 6: Final answer
    x = 531,885,205.08

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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.