Finding the Fourth Proportional to 930,242,595.08, 1,283,331,411.14 and 553,688,040.62
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Solution
The fourth proportional to 930,242,595.08, 1,283,331,411.14 and 553,688,040.62 is: 763,849,406.87
Step by Step Solution
- Step 1: Write the proportion equation
930,242,595.08 : 1,283,331,411.14 = 553,688,040.62 : x - Step 2: Convert to fraction form
930,242,595.08/1,283,331,411.14 = 553,688,040.62/x - Step 3: Cross multiply
930,242,595.08x = 1,283,331,411.14 × 553,688,040.62 - Step 4: Simplify right side
930,242,595.08x = 710,565,254,500,206,336 - Step 5: Solve for x
x = 710,565,254,500,206,336/930,242,595.08 - Step 6: Final answer
x = 763,849,406.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.