Finding the Fourth Proportional to 626,487,029.60, 939,730,544.40 and 533,772,226.40
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Solution
The fourth proportional to 626,487,029.60, 939,730,544.40 and 533,772,226.40 is: 800,658,339.60
Step by Step Solution
- Step 1: Write the proportion equation
626,487,029.60 : 939,730,544.40 = 533,772,226.40 : x - Step 2: Convert to fraction form
626,487,029.60/939,730,544.40 = 533,772,226.40/x - Step 3: Cross multiply
626,487,029.60x = 939,730,544.40 × 533,772,226.40 - Step 4: Simplify right side
626,487,029.60x = 501,602,064,900,472,000 - Step 5: Solve for x
x = 501,602,064,900,472,000/626,487,029.60 - Step 6: Final answer
x = 800,658,339.60
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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.