Home / 749,971,762.15-1,034,947,184.49-415,436,944.39

Finding the Fourth Proportional to 749,971,762.15, 1,034,947,184.49 and 415,436,944.39

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Solution

The fourth proportional to 749,971,762.15, 1,034,947,184.49 and 415,436,944.39 is: 573,295,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,971,762.15 : 1,034,947,184.49 = 415,436,944.39 : x
  2. Step 2: Convert to fraction form
    749,971,762.15/1,034,947,184.49 = 415,436,944.39/x
  3. Step 3: Cross multiply
    749,971,762.15x = 1,034,947,184.49 × 415,436,944.39
  4. Step 4: Simplify right side
    749,971,762.15x = 429,955,295,926,971,840
  5. Step 5: Solve for x
    x = 429,955,295,926,971,840/749,971,762.15
  6. Step 6: Final answer
    x = 573,295,312.74

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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.