Home / 7,570,398,138.40-11,338,610,276.40-6,211,443,642.40

Finding the Fourth Proportional to 7,570,398,138.40, 11,338,610,276.40 and 6,211,443,642.40

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Solution

The fourth proportional to 7,570,398,138.40, 11,338,610,276.40 and 6,211,443,642.40 is: 9,303,227,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570,398,138.40 : 11,338,610,276.40 = 6,211,443,642.40 : x
  2. Step 2: Convert to fraction form
    7,570,398,138.40/11,338,610,276.40 = 6,211,443,642.40/x
  3. Step 3: Cross multiply
    7,570,398,138.40x = 11,338,610,276.40 × 6,211,443,642.40
  4. Step 4: Simplify right side
    7,570,398,138.40x = 70,429,138,714,996,080,640
  5. Step 5: Solve for x
    x = 70,429,138,714,996,080,640/7,570,398,138.40
  6. Step 6: Final answer
    x = 9,303,227,839.20

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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.