Finding the Fourth Proportional to 1,974,226,545.06, 2,961,309,924.30 and 480,272,156.67
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Solution
The fourth proportional to 1,974,226,545.06, 2,961,309,924.30 and 480,272,156.67 is: 720,400,962.83
Step by Step Solution
- Step 1: Write the proportion equation
1,974,226,545.06 : 2,961,309,924.30 = 480,272,156.67 : x - Step 2: Convert to fraction form
1,974,226,545.06/2,961,309,924.30 = 480,272,156.67/x - Step 3: Cross multiply
1,974,226,545.06x = 2,961,309,924.30 × 480,272,156.67 - Step 4: Simplify right side
1,974,226,545.06x = 1,422,234,703,911,835,648 - Step 5: Solve for x
x = 1,422,234,703,911,835,648/1,974,226,545.06 - Step 6: Final answer
x = 720,400,962.83
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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.