Home / 749,412,078.30-1,124,118,117.45-736,657,494.30

Finding the Fourth Proportional to 749,412,078.30, 1,124,118,117.45 and 736,657,494.30

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Solution

The fourth proportional to 749,412,078.30, 1,124,118,117.45 and 736,657,494.30 is: 1,104,986,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,412,078.30 : 1,124,118,117.45 = 736,657,494.30 : x
  2. Step 2: Convert to fraction form
    749,412,078.30/1,124,118,117.45 = 736,657,494.30/x
  3. Step 3: Cross multiply
    749,412,078.30x = 1,124,118,117.45 × 736,657,494.30
  4. Step 4: Simplify right side
    749,412,078.30x = 828,090,035,697,950,080
  5. Step 5: Solve for x
    x = 828,090,035,697,950,080/749,412,078.30
  6. Step 6: Final answer
    x = 1,104,986,241.45

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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.