Home / 875,629,683.20-1,312,578,220.80-414,757,798.40

Finding the Fourth Proportional to 875,629,683.20, 1,312,578,220.80 and 414,757,798.40

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Solution

The fourth proportional to 875,629,683.20, 1,312,578,220.80 and 414,757,798.40 is: 621,726,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,629,683.20 : 1,312,578,220.80 = 414,757,798.40 : x
  2. Step 2: Convert to fraction form
    875,629,683.20/1,312,578,220.80 = 414,757,798.40/x
  3. Step 3: Cross multiply
    875,629,683.20x = 1,312,578,220.80 × 414,757,798.40
  4. Step 4: Simplify right side
    875,629,683.20x = 544,402,053,086,797,056
  5. Step 5: Solve for x
    x = 544,402,053,086,797,056/875,629,683.20
  6. Step 6: Final answer
    x = 621,726,357.08

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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.