Home / 657,488,889.60-984,345,897.60-638,614,521.60

Finding the Fourth Proportional to 657,488,889.60, 984,345,897.60 and 638,614,521.60

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Solution

The fourth proportional to 657,488,889.60, 984,345,897.60 and 638,614,521.60 is: 956,088,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,488,889.60 : 984,345,897.60 = 638,614,521.60 : x
  2. Step 2: Convert to fraction form
    657,488,889.60/984,345,897.60 = 638,614,521.60/x
  3. Step 3: Cross multiply
    657,488,889.60x = 984,345,897.60 × 638,614,521.60
  4. Step 4: Simplify right side
    657,488,889.60x = 628,617,584,484,746,624
  5. Step 5: Solve for x
    x = 628,617,584,484,746,624/657,488,889.60
  6. Step 6: Final answer
    x = 956,088,527.77

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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.