Home / 1,161,303,632.80-1,741,918,124.40-384,985,117.60

Finding the Fourth Proportional to 1,161,303,632.80, 1,741,918,124.40 and 384,985,117.60

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Solution

The fourth proportional to 1,161,303,632.80, 1,741,918,124.40 and 384,985,117.60 is: 577,465,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,303,632.80 : 1,741,918,124.40 = 384,985,117.60 : x
  2. Step 2: Convert to fraction form
    1,161,303,632.80/1,741,918,124.40 = 384,985,117.60/x
  3. Step 3: Cross multiply
    1,161,303,632.80x = 1,741,918,124.40 × 384,985,117.60
  4. Step 4: Simplify right side
    1,161,303,632.80x = 670,612,553,971,705,472
  5. Step 5: Solve for x
    x = 670,612,553,971,705,472/1,161,303,632.80
  6. Step 6: Final answer
    x = 577,465,302.81

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Double scale
Find fourth proportional to 1,161,303,633.80, 1,741,918,125.90 and 384,985,118.60
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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.