Finding the Fourth Proportional to 1,926,316,397.70, 2,658,351,457.53 and 1,091,113,811.46
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Solution
The fourth proportional to 1,926,316,397.70, 2,658,351,457.53 and 1,091,113,811.46 is: 1,505,756,787.66
Step by Step Solution
- Step 1: Write the proportion equation
1,926,316,397.70 : 2,658,351,457.53 = 1,091,113,811.46 : x - Step 2: Convert to fraction form
1,926,316,397.70/2,658,351,457.53 = 1,091,113,811.46/x - Step 3: Cross multiply
1,926,316,397.70x = 2,658,351,457.53 × 1,091,113,811.46 - Step 4: Simplify right side
1,926,316,397.70x = 2,900,563,991,025,804,800 - Step 5: Solve for x
x = 2,900,563,991,025,804,800/1,926,316,397.70 - Step 6: Final answer
x = 1,505,756,787.66
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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.