Finding the Fourth Proportional to 984,772,477.54, 1,474,791,776.40 and 563,316,075.76
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Solution
The fourth proportional to 984,772,477.54, 1,474,791,776.40 and 563,316,075.76 is: 843,620,160.99
Step by Step Solution
- Step 1: Write the proportion equation
984,772,477.54 : 1,474,791,776.40 = 563,316,075.76 : x - Step 2: Convert to fraction form
984,772,477.54/1,474,791,776.40 = 563,316,075.76/x - Step 3: Cross multiply
984,772,477.54x = 1,474,791,776.40 × 563,316,075.76 - Step 4: Simplify right side
984,772,477.54x = 830,773,916,044,767,360 - Step 5: Solve for x
x = 830,773,916,044,767,360/984,772,477.54 - Step 6: Final answer
x = 843,620,160.99
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1.5x scale
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.