Finding the Fourth Proportional to 1,310,496,946.74, 1,966,021,497.39 and 425,113,173.32
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Solution
The fourth proportional to 1,310,496,946.74, 1,966,021,497.39 and 425,113,173.32 is: 637,759,316.91
Step by Step Solution
- Step 1: Write the proportion equation
1,310,496,946.74 : 1,966,021,497.39 = 425,113,173.32 : x - Step 2: Convert to fraction form
1,310,496,946.74/1,966,021,497.39 = 425,113,173.32/x - Step 3: Cross multiply
1,310,496,946.74x = 1,966,021,497.39 × 425,113,173.32 - Step 4: Simplify right side
1,310,496,946.74x = 835,781,637,570,801,024 - Step 5: Solve for x
x = 835,781,637,570,801,024/1,310,496,946.74 - Step 6: Final answer
x = 637,759,316.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.