Home / 649,220,925.52-895,402,474.44-570,736,668.88

Finding the Fourth Proportional to 649,220,925.52, 895,402,474.44 and 570,736,668.88

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Solution

The fourth proportional to 649,220,925.52, 895,402,474.44 and 570,736,668.88 is: 787,157,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,220,925.52 : 895,402,474.44 = 570,736,668.88 : x
  2. Step 2: Convert to fraction form
    649,220,925.52/895,402,474.44 = 570,736,668.88/x
  3. Step 3: Cross multiply
    649,220,925.52x = 895,402,474.44 × 570,736,668.88
  4. Step 4: Simplify right side
    649,220,925.52x = 511,039,025,568,794,944
  5. Step 5: Solve for x
    x = 511,039,025,568,794,944/649,220,925.52
  6. Step 6: Final answer
    x = 787,157,353.50

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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.