Finding the Fourth Proportional to 1,762,506,876,620.40, 2,644,967,947,486.80 and 615,139,102,281.90
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Solution
The fourth proportional to 1,762,506,876,620.40, 2,644,967,947,486.80 and 615,139,102,281.90 is: 923,130,133,767.90
Step by Step Solution
- Step 1: Write the proportion equation
1,762,506,876,620.40 : 2,644,967,947,486.80 = 615,139,102,281.90 : x - Step 2: Convert to fraction form
1,762,506,876,620.40/2,644,967,947,486.80 = 615,139,102,281.90/x - Step 3: Cross multiply
1,762,506,876,620.40x = 2,644,967,947,486.80 × 615,139,102,281.90 - Step 4: Simplify right side
1,762,506,876,620.40x = 1,627,023,208,781,429,602,254,848 - Step 5: Solve for x
x = 1,627,023,208,781,429,602,254,848/1,762,506,876,620.40 - Step 6: Final answer
x = 923,130,133,767.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.