Home / 970,224,871.60-1,455,337,307.40-280,201,877.20

Finding the Fourth Proportional to 970,224,871.60, 1,455,337,307.40 and 280,201,877.20

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Solution

The fourth proportional to 970,224,871.60, 1,455,337,307.40 and 280,201,877.20 is: 420,302,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,224,871.60 : 1,455,337,307.40 = 280,201,877.20 : x
  2. Step 2: Convert to fraction form
    970,224,871.60/1,455,337,307.40 = 280,201,877.20/x
  3. Step 3: Cross multiply
    970,224,871.60x = 1,455,337,307.40 × 280,201,877.20
  4. Step 4: Simplify right side
    970,224,871.60x = 407,788,245,492,673,472
  5. Step 5: Solve for x
    x = 407,788,245,492,673,472/970,224,871.60
  6. Step 6: Final answer
    x = 420,302,815.80

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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.