Finding the Fourth Proportional to 7,587,264,530.09, 10,470,549,011.81 and 4,153,905,565.80
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Solution
The fourth proportional to 7,587,264,530.09, 10,470,549,011.81 and 4,153,905,565.80 is: 5,732,457,547.07
Step by Step Solution
- Step 1: Write the proportion equation
7,587,264,530.09 : 10,470,549,011.81 = 4,153,905,565.80 : x - Step 2: Convert to fraction form
7,587,264,530.09/10,470,549,011.81 = 4,153,905,565.80/x - Step 3: Cross multiply
7,587,264,530.09x = 10,470,549,011.81 × 4,153,905,565.80 - Step 4: Simplify right side
7,587,264,530.09x = 43,493,671,817,139,249,152 - Step 5: Solve for x
x = 43,493,671,817,139,249,152/7,587,264,530.09 - Step 6: Final answer
x = 5,732,457,547.07
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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.