Finding the Fourth Proportional to 817,887,754,213.10, 1,226,831,631,319.60 and 778,835,768,921.90
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Solution
The fourth proportional to 817,887,754,213.10, 1,226,831,631,319.60 and 778,835,768,921.90 is: 1,168,253,653,382.80
Step by Step Solution
- Step 1: Write the proportion equation
817,887,754,213.10 : 1,226,831,631,319.60 = 778,835,768,921.90 : x - Step 2: Convert to fraction form
817,887,754,213.10/1,226,831,631,319.60 = 778,835,768,921.90/x - Step 3: Cross multiply
817,887,754,213.10x = 1,226,831,631,319.60 × 778,835,768,921.90 - Step 4: Simplify right side
817,887,754,213.10x = 955,500,356,916,509,744,824,320 - Step 5: Solve for x
x = 955,500,356,916,509,744,824,320/817,887,754,213.10 - Step 6: Final answer
x = 1,168,253,653,382.80
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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.