Home / 515,869,571.01-711,881,306.62-315,262,061.93

Finding the Fourth Proportional to 515,869,571.01, 711,881,306.62 and 315,262,061.93

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Solution

The fourth proportional to 515,869,571.01, 711,881,306.62 and 315,262,061.93 is: 435,050,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,869,571.01 : 711,881,306.62 = 315,262,061.93 : x
  2. Step 2: Convert to fraction form
    515,869,571.01/711,881,306.62 = 315,262,061.93/x
  3. Step 3: Cross multiply
    515,869,571.01x = 711,881,306.62 × 315,262,061.93
  4. Step 4: Simplify right side
    515,869,571.01x = 224,429,168,574,443,776
  5. Step 5: Solve for x
    x = 224,429,168,574,443,776/515,869,571.01
  6. Step 6: Final answer
    x = 435,050,216.54

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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.