Home / 7,290,730,386.90-10,936,095,580.35-7,174,504,240.20

Finding the Fourth Proportional to 7,290,730,386.90, 10,936,095,580.35 and 7,174,504,240.20

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Solution

The fourth proportional to 7,290,730,386.90, 10,936,095,580.35 and 7,174,504,240.20 is: 10,761,756,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,730,386.90 : 10,936,095,580.35 = 7,174,504,240.20 : x
  2. Step 2: Convert to fraction form
    7,290,730,386.90/10,936,095,580.35 = 7,174,504,240.20/x
  3. Step 3: Cross multiply
    7,290,730,386.90x = 10,936,095,580.35 × 7,174,504,240.20
  4. Step 4: Simplify right side
    7,290,730,386.90x = 78,461,064,112,453,550,080
  5. Step 5: Solve for x
    x = 78,461,064,112,453,550,080/7,290,730,386.90
  6. Step 6: Final answer
    x = 10,761,756,360.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.