Finding the Fourth Proportional to 1,407,104,929,266.60, 1,941,698,236,483.70 and 789,688,404,132.70
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Solution
The fourth proportional to 1,407,104,929,266.60, 1,941,698,236,483.70 and 789,688,404,132.70 is: 1,089,710,191,318.34
Step by Step Solution
- Step 1: Write the proportion equation
1,407,104,929,266.60 : 1,941,698,236,483.70 = 789,688,404,132.70 : x - Step 2: Convert to fraction form
1,407,104,929,266.60/1,941,698,236,483.70 = 789,688,404,132.70/x - Step 3: Cross multiply
1,407,104,929,266.60x = 1,941,698,236,483.70 × 789,688,404,132.70 - Step 4: Simplify right side
1,407,104,929,266.60x = 1,533,336,581,676,090,970,341,376 - Step 5: Solve for x
x = 1,533,336,581,676,090,970,341,376/1,407,104,929,266.60 - Step 6: Final answer
x = 1,089,710,191,318.34
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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.