Finding the Fourth Proportional to 833,154,328.80, 1,249,731,493.20 and 698,113,202.40
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Solution
The fourth proportional to 833,154,328.80, 1,249,731,493.20 and 698,113,202.40 is: 1,047,169,803.60
Step by Step Solution
- Step 1: Write the proportion equation
833,154,328.80 : 1,249,731,493.20 = 698,113,202.40 : x - Step 2: Convert to fraction form
833,154,328.80/1,249,731,493.20 = 698,113,202.40/x - Step 3: Cross multiply
833,154,328.80x = 1,249,731,493.20 × 698,113,202.40 - Step 4: Simplify right side
833,154,328.80x = 872,454,054,857,985,792 - Step 5: Solve for x
x = 872,454,054,857,985,792/833,154,328.80 - Step 6: Final answer
x = 1,047,169,803.60
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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.