Finding the Fourth Proportional to 775,828,480,867.80, 1,070,488,025,459.70 and 433,219,628,428.84
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Solution
The fourth proportional to 775,828,480,867.80, 1,070,488,025,459.70 and 433,219,628,428.84 is: 597,756,380,519.11
Step by Step Solution
- Step 1: Write the proportion equation
775,828,480,867.80 : 1,070,488,025,459.70 = 433,219,628,428.84 : x - Step 2: Convert to fraction form
775,828,480,867.80/1,070,488,025,459.70 = 433,219,628,428.84/x - Step 3: Cross multiply
775,828,480,867.80x = 1,070,488,025,459.70 × 433,219,628,428.84 - Step 4: Simplify right side
775,828,480,867.80x = 463,756,424,627,173,883,641,856 - Step 5: Solve for x
x = 463,756,424,627,173,883,641,856/775,828,480,867.80 - Step 6: Final answer
x = 597,756,380,519.11
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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.