Home / 646,740,411.65-970,118,315.80-180,373,460.68

Finding the Fourth Proportional to 646,740,411.65, 970,118,315.80 and 180,373,460.68

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Solution

The fourth proportional to 646,740,411.65, 970,118,315.80 and 180,373,460.68 is: 270,562,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,740,411.65 : 970,118,315.80 = 180,373,460.68 : x
  2. Step 2: Convert to fraction form
    646,740,411.65/970,118,315.80 = 180,373,460.68/x
  3. Step 3: Cross multiply
    646,740,411.65x = 970,118,315.80 × 180,373,460.68
  4. Step 4: Simplify right side
    646,740,411.65x = 174,983,597,886,212,768
  5. Step 5: Solve for x
    x = 174,983,597,886,212,768/646,740,411.65
  6. Step 6: Final answer
    x = 270,562,338.05

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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.