Finding the Fourth Proportional to 1,201,142,319,259.60, 1,657,713,908,688.80 and 673,334,272,746.33
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Solution
The fourth proportional to 1,201,142,319,259.60, 1,657,713,908,688.80 and 673,334,272,746.33 is: 929,278,380,447.45
Step by Step Solution
- Step 1: Write the proportion equation
1,201,142,319,259.60 : 1,657,713,908,688.80 = 673,334,272,746.33 : x - Step 2: Convert to fraction form
1,201,142,319,259.60/1,657,713,908,688.80 = 673,334,272,746.33/x - Step 3: Cross multiply
1,201,142,319,259.60x = 1,657,713,908,688.80 × 673,334,272,746.33 - Step 4: Simplify right side
1,201,142,319,259.60x = 1,116,195,589,128,449,194,721,280 - Step 5: Solve for x
x = 1,116,195,589,128,449,194,721,280/1,201,142,319,259.60 - Step 6: Final answer
x = 929,278,380,447.45
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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.