Home / 579,218,999.40-868,828,499.10-531,601,885.80

Finding the Fourth Proportional to 579,218,999.40, 868,828,499.10 and 531,601,885.80

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Solution

The fourth proportional to 579,218,999.40, 868,828,499.10 and 531,601,885.80 is: 797,402,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,218,999.40 : 868,828,499.10 = 531,601,885.80 : x
  2. Step 2: Convert to fraction form
    579,218,999.40/868,828,499.10 = 531,601,885.80/x
  3. Step 3: Cross multiply
    579,218,999.40x = 868,828,499.10 × 531,601,885.80
  4. Step 4: Simplify right side
    579,218,999.40x = 461,870,868,558,343,616
  5. Step 5: Solve for x
    x = 461,870,868,558,343,616/579,218,999.40
  6. Step 6: Final answer
    x = 797,402,828.70

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1.5x scale

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.