Home / 811,971,581.27-1,120,531,531.70-440,698,063.19

Finding the Fourth Proportional to 811,971,581.27, 1,120,531,531.70 and 440,698,063.19

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Solution

The fourth proportional to 811,971,581.27, 1,120,531,531.70 and 440,698,063.19 is: 608,169,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,971,581.27 : 1,120,531,531.70 = 440,698,063.19 : x
  2. Step 2: Convert to fraction form
    811,971,581.27/1,120,531,531.70 = 440,698,063.19/x
  3. Step 3: Cross multiply
    811,971,581.27x = 1,120,531,531.70 × 440,698,063.19
  4. Step 4: Simplify right side
    811,971,581.27x = 493,816,075,761,310,592
  5. Step 5: Solve for x
    x = 493,816,075,761,310,592/811,971,581.27
  6. Step 6: Final answer
    x = 608,169,161.52

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Half scale
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Double scale
Find fourth proportional to 811,971,582.27, 1,120,531,533.08 and 440,698,064.19
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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.