Finding the Fourth Proportional to 616,518,607.04, 924,130,555.68 and 207,432,733.76
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Solution
The fourth proportional to 616,518,607.04, 924,130,555.68 and 207,432,733.76 is: 310,931,292.79
Step by Step Solution
- Step 1: Write the proportion equation
616,518,607.04 : 924,130,555.68 = 207,432,733.76 : x - Step 2: Convert to fraction form
616,518,607.04/924,130,555.68 = 207,432,733.76/x - Step 3: Cross multiply
616,518,607.04x = 924,130,555.68 × 207,432,733.76 - Step 4: Simplify right side
616,518,607.04x = 191,694,927,515,850,272 - Step 5: Solve for x
x = 191,694,927,515,850,272/616,518,607.04 - Step 6: Final answer
x = 310,931,292.79
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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.