Finding the Fourth Proportional to 1,663,631,567.40, 2,495,447,351.10 and 1,534,637,058.60
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Solution
The fourth proportional to 1,663,631,567.40, 2,495,447,351.10 and 1,534,637,058.60 is: 2,301,955,587.90
Step by Step Solution
- Step 1: Write the proportion equation
1,663,631,567.40 : 2,495,447,351.10 = 1,534,637,058.60 : x - Step 2: Convert to fraction form
1,663,631,567.40/2,495,447,351.10 = 1,534,637,058.60/x - Step 3: Cross multiply
1,663,631,567.40x = 2,495,447,351.10 × 1,534,637,058.60 - Step 4: Simplify right side
1,663,631,567.40x = 3,829,605,982,783,265,280 - Step 5: Solve for x
x = 3,829,605,982,783,265,280/1,663,631,567.40 - Step 6: Final answer
x = 2,301,955,587.90
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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.