Finding the Fourth Proportional to 283,264,794.48, 390,904,965.12 and 159,506,357.40
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Solution
The fourth proportional to 283,264,794.48, 390,904,965.12 and 159,506,357.40 is: 220,118,519.11
Step by Step Solution
- Step 1: Write the proportion equation
283,264,794.48 : 390,904,965.12 = 159,506,357.40 : x - Step 2: Convert to fraction form
283,264,794.48/390,904,965.12 = 159,506,357.40/x - Step 3: Cross multiply
283,264,794.48x = 390,904,965.12 × 159,506,357.40 - Step 4: Simplify right side
283,264,794.48x = 62,351,827,075,865,256 - Step 5: Solve for x
x = 62,351,827,075,865,256/283,264,794.48 - Step 6: Final answer
x = 220,118,519.11
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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.