Finding the Fourth Proportional to 1,174,395,724.80, 1,620,712,797.12 and 645,803,047.68
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Solution
The fourth proportional to 1,174,395,724.80, 1,620,712,797.12 and 645,803,047.68 is: 891,233,884.53
Step by Step Solution
- Step 1: Write the proportion equation
1,174,395,724.80 : 1,620,712,797.12 = 645,803,047.68 : x - Step 2: Convert to fraction form
1,174,395,724.80/1,620,712,797.12 = 645,803,047.68/x - Step 3: Cross multiply
1,174,395,724.80x = 1,620,712,797.12 × 645,803,047.68 - Step 4: Simplify right side
1,174,395,724.80x = 1,046,661,263,794,073,344 - Step 5: Solve for x
x = 1,046,661,263,794,073,344/1,174,395,724.80 - Step 6: Final answer
x = 891,233,884.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.