Home / 585,155,309.40-877,732,964.10-531,586,056.60

Finding the Fourth Proportional to 585,155,309.40, 877,732,964.10 and 531,586,056.60

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Solution

The fourth proportional to 585,155,309.40, 877,732,964.10 and 531,586,056.60 is: 797,379,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,155,309.40 : 877,732,964.10 = 531,586,056.60 : x
  2. Step 2: Convert to fraction form
    585,155,309.40/877,732,964.10 = 531,586,056.60/x
  3. Step 3: Cross multiply
    585,155,309.40x = 877,732,964.10 × 531,586,056.60
  4. Step 4: Simplify right side
    585,155,309.40x = 466,590,605,133,748,416
  5. Step 5: Solve for x
    x = 466,590,605,133,748,416/585,155,309.40
  6. Step 6: Final answer
    x = 797,379,084.90

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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.