Finding the Fourth Proportional to 4,087,768,692.04, 6,131,653,038.12 and 1,290,020,789.92
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Solution
The fourth proportional to 4,087,768,692.04, 6,131,653,038.12 and 1,290,020,789.92 is: 1,935,031,184.90
Step by Step Solution
- Step 1: Write the proportion equation
4,087,768,692.04 : 6,131,653,038.12 = 1,290,020,789.92 : x - Step 2: Convert to fraction form
4,087,768,692.04/6,131,653,038.12 = 1,290,020,789.92/x - Step 3: Cross multiply
4,087,768,692.04x = 6,131,653,038.12 × 1,290,020,789.92 - Step 4: Simplify right side
4,087,768,692.04x = 7,909,959,895,750,930,432 - Step 5: Solve for x
x = 7,909,959,895,750,930,432/4,087,768,692.04 - Step 6: Final answer
x = 1,935,031,184.90
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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.