Finding the Fourth Proportional to 616,518,844.04, 924,130,911.18 and 207,432,970.76
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Solution
The fourth proportional to 616,518,844.04, 924,130,911.18 and 207,432,970.76 is: 310,931,648.12
Step by Step Solution
- Step 1: Write the proportion equation
616,518,844.04 : 924,130,911.18 = 207,432,970.76 : x - Step 2: Convert to fraction form
616,518,844.04/924,130,911.18 = 207,432,970.76/x - Step 3: Cross multiply
616,518,844.04x = 924,130,911.18 × 207,432,970.76 - Step 4: Simplify right side
616,518,844.04x = 191,695,220,277,213,088 - Step 5: Solve for x
x = 191,695,220,277,213,088/616,518,844.04 - Step 6: Final answer
x = 310,931,648.12
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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.