Home / 839,565,401.10-1,158,971,815.26-542,352,592.77

Finding the Fourth Proportional to 839,565,401.10, 1,158,971,815.26 and 542,352,592.77

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Solution

The fourth proportional to 839,565,401.10, 1,158,971,815.26 and 542,352,592.77 is: 748,686,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,565,401.10 : 1,158,971,815.26 = 542,352,592.77 : x
  2. Step 2: Convert to fraction form
    839,565,401.10/1,158,971,815.26 = 542,352,592.77/x
  3. Step 3: Cross multiply
    839,565,401.10x = 1,158,971,815.26 × 542,352,592.77
  4. Step 4: Simplify right side
    839,565,401.10x = 628,571,368,953,614,464
  5. Step 5: Solve for x
    x = 628,571,368,953,614,464/839,565,401.10
  6. Step 6: Final answer
    x = 748,686,603.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.