Home / 971,303,538.80-1,456,955,308.20-661,367,147.60

Finding the Fourth Proportional to 971,303,538.80, 1,456,955,308.20 and 661,367,147.60

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Solution

The fourth proportional to 971,303,538.80, 1,456,955,308.20 and 661,367,147.60 is: 992,050,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,303,538.80 : 1,456,955,308.20 = 661,367,147.60 : x
  2. Step 2: Convert to fraction form
    971,303,538.80/1,456,955,308.20 = 661,367,147.60/x
  3. Step 3: Cross multiply
    971,303,538.80x = 1,456,955,308.20 × 661,367,147.60
  4. Step 4: Simplify right side
    971,303,538.80x = 963,582,376,364,912,896
  5. Step 5: Solve for x
    x = 963,582,376,364,912,896/971,303,538.80
  6. Step 6: Final answer
    x = 992,050,721.40

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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.