Finding the Fourth Proportional to 502,018,013.80, 753,027,020.70 and 348,963,005.80
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Solution
The fourth proportional to 502,018,013.80, 753,027,020.70 and 348,963,005.80 is: 523,444,508.70
Step by Step Solution
- Step 1: Write the proportion equation
502,018,013.80 : 753,027,020.70 = 348,963,005.80 : x - Step 2: Convert to fraction form
502,018,013.80/753,027,020.70 = 348,963,005.80/x - Step 3: Cross multiply
502,018,013.80x = 753,027,020.70 × 348,963,005.80 - Step 4: Simplify right side
502,018,013.80x = 262,778,572,592,090,848 - Step 5: Solve for x
x = 262,778,572,592,090,848/502,018,013.80 - Step 6: Final answer
x = 523,444,508.70
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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.