Finding the Fourth Proportional to 626,258,652.84, 939,381,997.71 and 380,683,090.98
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Solution
The fourth proportional to 626,258,652.84, 939,381,997.71 and 380,683,090.98 is: 571,021,000.47
Step by Step Solution
- Step 1: Write the proportion equation
626,258,652.84 : 939,381,997.71 = 380,683,090.98 : x - Step 2: Convert to fraction form
626,258,652.84/939,381,997.71 = 380,683,090.98/x - Step 3: Cross multiply
626,258,652.84x = 939,381,997.71 × 380,683,090.98 - Step 4: Simplify right side
626,258,652.84x = 357,606,842,499,210,112 - Step 5: Solve for x
x = 357,606,842,499,210,112/626,258,652.84 - Step 6: Final answer
x = 571,021,000.47
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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.