Home / 811,999,333.27-1,120,559,909.23-440,721,441.19

Finding the Fourth Proportional to 811,999,333.27, 1,120,559,909.23 and 440,721,441.19

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Solution

The fourth proportional to 811,999,333.27, 1,120,559,909.23 and 440,721,441.19 is: 608,196,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,999,333.27 : 1,120,559,909.23 = 440,721,441.19 : x
  2. Step 2: Convert to fraction form
    811,999,333.27/1,120,559,909.23 = 440,721,441.19/x
  3. Step 3: Cross multiply
    811,999,333.27x = 1,120,559,909.23 × 440,721,441.19
  4. Step 4: Simplify right side
    811,999,333.27x = 493,854,778,135,581,184
  5. Step 5: Solve for x
    x = 493,854,778,135,581,184/811,999,333.27
  6. Step 6: Final answer
    x = 608,196,038.96

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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.