Finding the Fourth Proportional to 689,549,358.14, 951,598,210.14 and 376,303,748.79
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Solution
The fourth proportional to 689,549,358.14, 951,598,210.14 and 376,303,748.79 is: 519,310,140.16
Step by Step Solution
- Step 1: Write the proportion equation
689,549,358.14 : 951,598,210.14 = 376,303,748.79 : x - Step 2: Convert to fraction form
689,549,358.14/951,598,210.14 = 376,303,748.79/x - Step 3: Cross multiply
689,549,358.14x = 951,598,210.14 × 376,303,748.79 - Step 4: Simplify right side
689,549,358.14x = 358,089,973,817,536,192 - Step 5: Solve for x
x = 358,089,973,817,536,192/689,549,358.14 - Step 6: Final answer
x = 519,310,140.16
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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.