Finding the Fourth Proportional to 1,067,119,965.80, 1,600,679,948.70 and 885,721,437.80
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Solution
The fourth proportional to 1,067,119,965.80, 1,600,679,948.70 and 885,721,437.80 is: 1,328,582,156.70
Step by Step Solution
- Step 1: Write the proportion equation
1,067,119,965.80 : 1,600,679,948.70 = 885,721,437.80 : x - Step 2: Convert to fraction form
1,067,119,965.80/1,600,679,948.70 = 885,721,437.80/x - Step 3: Cross multiply
1,067,119,965.80x = 1,600,679,948.70 × 885,721,437.80 - Step 4: Simplify right side
1,067,119,965.80x = 1,417,756,545,620,194,304 - Step 5: Solve for x
x = 1,417,756,545,620,194,304/1,067,119,965.80 - Step 6: Final answer
x = 1,328,582,156.70
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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.