Home / 515,869,570.01-711,881,305.24-315,262,060.94

Finding the Fourth Proportional to 515,869,570.01, 711,881,305.24 and 315,262,060.94

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Solution

The fourth proportional to 515,869,570.01, 711,881,305.24 and 315,262,060.94 is: 435,050,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,869,570.01 : 711,881,305.24 = 315,262,060.94 : x
  2. Step 2: Convert to fraction form
    515,869,570.01/711,881,305.24 = 315,262,060.94/x
  3. Step 3: Cross multiply
    515,869,570.01x = 711,881,305.24 × 315,262,060.94
  4. Step 4: Simplify right side
    515,869,570.01x = 224,429,167,430,272,032
  5. Step 5: Solve for x
    x = 224,429,167,430,272,032/515,869,570.01
  6. Step 6: Final answer
    x = 435,050,215.16

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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.