Finding the Fourth Proportional to 28,495,875,228.40, 39,812,688,050 and 28,495,875,228.40
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Solution
The fourth proportional to 28,495,875,228.40, 39,812,688,050 and 28,495,875,228.40 is: 39,812,688,050
Step by Step Solution
- Step 1: Write the proportion equation
28,495,875,228.40 : 39,812,688,050 = 28,495,875,228.40 : x - Step 2: Convert to fraction form
28,495,875,228.40/39,812,688,050 = 28,495,875,228.40/x - Step 3: Cross multiply
28,495,875,228.40x = 39,812,688,050 × 28,495,875,228.40 - Step 4: Simplify right side
28,495,875,228.40x = 1,134,497,391,180,011,798,528 - Step 5: Solve for x
x = 1,134,497,391,180,011,798,528/28,495,875,228.40 - Step 6: Final answer
x = 39,812,688,050
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.