Home / 731,830,343,822.90-1,009,935,026,007.80-402,269,363,307.24

Finding the Fourth Proportional to 731,830,343,822.90, 1,009,935,026,007.80 and 402,269,363,307.24

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Solution

The fourth proportional to 731,830,343,822.90, 1,009,935,026,007.80 and 402,269,363,307.24 is: 555,136,751,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,830,343,822.90 : 1,009,935,026,007.80 = 402,269,363,307.24 : x
  2. Step 2: Convert to fraction form
    731,830,343,822.90/1,009,935,026,007.80 = 402,269,363,307.24/x
  3. Step 3: Cross multiply
    731,830,343,822.90x = 1,009,935,026,007.80 × 402,269,363,307.24
  4. Step 4: Simplify right side
    731,830,343,822.90x = 406,265,919,893,838,581,727,232
  5. Step 5: Solve for x
    x = 406,265,919,893,838,581,727,232/731,830,343,822.90
  6. Step 6: Final answer
    x = 555,136,751,738.94

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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.