Home / 459,651,743.60-689,477,615.40-152,974,857.20

Finding the Fourth Proportional to 459,651,743.60, 689,477,615.40 and 152,974,857.20

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Solution

The fourth proportional to 459,651,743.60, 689,477,615.40 and 152,974,857.20 is: 229,462,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,651,743.60 : 689,477,615.40 = 152,974,857.20 : x
  2. Step 2: Convert to fraction form
    459,651,743.60/689,477,615.40 = 152,974,857.20/x
  3. Step 3: Cross multiply
    459,651,743.60x = 689,477,615.40 × 152,974,857.20
  4. Step 4: Simplify right side
    459,651,743.60x = 105,472,739,758,411,504
  5. Step 5: Solve for x
    x = 105,472,739,758,411,504/459,651,743.60
  6. Step 6: Final answer
    x = 229,462,285.80

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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.