Finding the Fourth Proportional to 470,270,335.36, 648,977,794.59 and 258,588,330.88
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Solution
The fourth proportional to 470,270,335.36, 648,977,794.59 and 258,588,330.88 is: 356,854,498.49
Step by Step Solution
- Step 1: Write the proportion equation
470,270,335.36 : 648,977,794.59 = 258,588,330.88 : x - Step 2: Convert to fraction form
470,270,335.36/648,977,794.59 = 258,588,330.88/x - Step 3: Cross multiply
470,270,335.36x = 648,977,794.59 × 258,588,330.88 - Step 4: Simplify right side
470,270,335.36x = 167,818,084,681,211,584 - Step 5: Solve for x
x = 167,818,084,681,211,584/470,270,335.36 - Step 6: Final answer
x = 356,854,498.49
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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.