Finding the Fourth Proportional to 553,312,201.80, 829,968,302.70 and 144,368,352.30
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Solution
The fourth proportional to 553,312,201.80, 829,968,302.70 and 144,368,352.30 is: 216,552,528.45
Step by Step Solution
- Step 1: Write the proportion equation
553,312,201.80 : 829,968,302.70 = 144,368,352.30 : x - Step 2: Convert to fraction form
553,312,201.80/829,968,302.70 = 144,368,352.30/x - Step 3: Cross multiply
553,312,201.80x = 829,968,302.70 × 144,368,352.30 - Step 4: Simplify right side
553,312,201.80x = 119,821,156,322,026,656 - Step 5: Solve for x
x = 119,821,156,322,026,656/553,312,201.80 - Step 6: Final answer
x = 216,552,528.45
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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.