Home / 1,173,465,581.86-1,619,395,392.81-644,829,704.74

Finding the Fourth Proportional to 1,173,465,581.86, 1,619,395,392.81 and 644,829,704.74

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Solution

The fourth proportional to 1,173,465,581.86, 1,619,395,392.81 and 644,829,704.74 is: 889,872,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,465,581.86 : 1,619,395,392.81 = 644,829,704.74 : x
  2. Step 2: Convert to fraction form
    1,173,465,581.86/1,619,395,392.81 = 644,829,704.74/x
  3. Step 3: Cross multiply
    1,173,465,581.86x = 1,619,395,392.81 × 644,829,704.74
  4. Step 4: Simplify right side
    1,173,465,581.86x = 1,044,234,253,002,988,544
  5. Step 5: Solve for x
    x = 1,044,234,253,002,988,544/1,173,465,581.86
  6. Step 6: Final answer
    x = 889,872,075.62

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Half scale
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Double scale
Find fourth proportional to 1,173,465,582.86, 1,619,395,394.19 and 644,829,705.74
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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.