Home / 1,173,465,403.50-1,619,395,145.87-644,829,526.25

Finding the Fourth Proportional to 1,173,465,403.50, 1,619,395,145.87 and 644,829,526.25

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Solution

The fourth proportional to 1,173,465,403.50, 1,619,395,145.87 and 644,829,526.25 is: 889,871,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,465,403.50 : 1,619,395,145.87 = 644,829,526.25 : x
  2. Step 2: Convert to fraction form
    1,173,465,403.50/1,619,395,145.87 = 644,829,526.25/x
  3. Step 3: Cross multiply
    1,173,465,403.50x = 1,619,395,145.87 × 644,829,526.25
  4. Step 4: Simplify right side
    1,173,465,403.50x = 1,044,233,804,717,653,376
  5. Step 5: Solve for x
    x = 1,044,233,804,717,653,376/1,173,465,403.50
  6. Step 6: Final answer
    x = 889,871,828.86

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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.