Home / 731,830,343,824.38-1,009,935,026,009.80-402,269,363,308.74

Finding the Fourth Proportional to 731,830,343,824.38, 1,009,935,026,009.80 and 402,269,363,308.74

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Solution

The fourth proportional to 731,830,343,824.38, 1,009,935,026,009.80 and 402,269,363,308.74 is: 555,136,751,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,830,343,824.38 : 1,009,935,026,009.80 = 402,269,363,308.74 : x
  2. Step 2: Convert to fraction form
    731,830,343,824.38/1,009,935,026,009.80 = 402,269,363,308.74/x
  3. Step 3: Cross multiply
    731,830,343,824.38x = 1,009,935,026,009.80 × 402,269,363,308.74
  4. Step 4: Simplify right side
    731,830,343,824.38x = 406,265,919,896,157,998,284,800
  5. Step 5: Solve for x
    x = 406,265,919,896,157,998,284,800/731,830,343,824.38
  6. Step 6: Final answer
    x = 555,136,751,740.99

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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.