Finding the Fourth Proportional to 2,578,828,749.24, 3,558,762,281.09 and 1,449,803,545.10
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Solution
The fourth proportional to 2,578,828,749.24, 3,558,762,281.09 and 1,449,803,545.10 is: 2,000,716,865.29
Step by Step Solution
- Step 1: Write the proportion equation
2,578,828,749.24 : 3,558,762,281.09 = 1,449,803,545.10 : x - Step 2: Convert to fraction form
2,578,828,749.24/3,558,762,281.09 = 1,449,803,545.10/x - Step 3: Cross multiply
2,578,828,749.24x = 3,558,762,281.09 × 1,449,803,545.10 - Step 4: Simplify right side
2,578,828,749.24x = 5,159,506,171,292,444,672 - Step 5: Solve for x
x = 5,159,506,171,292,444,672/2,578,828,749.24 - Step 6: Final answer
x = 2,000,716,865.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.