Home / 659,377,981.71-909,943,405.34-362,039,482.85

Finding the Fourth Proportional to 659,377,981.71, 909,943,405.34 and 362,039,482.85

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Solution

The fourth proportional to 659,377,981.71, 909,943,405.34 and 362,039,482.85 is: 499,615,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,377,981.71 : 909,943,405.34 = 362,039,482.85 : x
  2. Step 2: Convert to fraction form
    659,377,981.71/909,943,405.34 = 362,039,482.85/x
  3. Step 3: Cross multiply
    659,377,981.71x = 909,943,405.34 × 362,039,482.85
  4. Step 4: Simplify right side
    659,377,981.71x = 329,435,439,885,701,632
  5. Step 5: Solve for x
    x = 329,435,439,885,701,632/659,377,981.71
  6. Step 6: Final answer
    x = 499,615,469.46

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Double scale
Find fourth proportional to 659,377,982.71, 909,943,406.72 and 362,039,483.85
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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.