Home / 1,149,931,098.42-1,586,904,915.81-654,939,865.14

Finding the Fourth Proportional to 1,149,931,098.42, 1,586,904,915.81 and 654,939,865.14

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Solution

The fourth proportional to 1,149,931,098.42, 1,586,904,915.81 and 654,939,865.14 is: 903,817,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,931,098.42 : 1,586,904,915.81 = 654,939,865.14 : x
  2. Step 2: Convert to fraction form
    1,149,931,098.42/1,586,904,915.81 = 654,939,865.14/x
  3. Step 3: Cross multiply
    1,149,931,098.42x = 1,586,904,915.81 × 654,939,865.14
  4. Step 4: Simplify right side
    1,149,931,098.42x = 1,039,327,291,550,604,416
  5. Step 5: Solve for x
    x = 1,039,327,291,550,604,416/1,149,931,098.42
  6. Step 6: Final answer
    x = 903,817,013.89

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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.