Home / 430,125,666.48-645,010,626.90-134,922,320.62

Finding the Fourth Proportional to 430,125,666.48, 645,010,626.90 and 134,922,320.62

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Solution

The fourth proportional to 430,125,666.48, 645,010,626.90 and 134,922,320.62 is: 202,327,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,125,666.48 : 645,010,626.90 = 134,922,320.62 : x
  2. Step 2: Convert to fraction form
    430,125,666.48/645,010,626.90 = 134,922,320.62/x
  3. Step 3: Cross multiply
    430,125,666.48x = 645,010,626.90 × 134,922,320.62
  4. Step 4: Simplify right side
    430,125,666.48x = 87,026,330,605,908,992
  5. Step 5: Solve for x
    x = 87,026,330,605,908,992/430,125,666.48
  6. Step 6: Final answer
    x = 202,327,685.58

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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.