Home / 731,181,221.29-1,009,030,085.35-417,922,161.32

Finding the Fourth Proportional to 731,181,221.29, 1,009,030,085.35 and 417,922,161.32

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Solution

The fourth proportional to 731,181,221.29, 1,009,030,085.35 and 417,922,161.32 is: 576,732,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,221.29 : 1,009,030,085.35 = 417,922,161.32 : x
  2. Step 2: Convert to fraction form
    731,181,221.29/1,009,030,085.35 = 417,922,161.32/x
  3. Step 3: Cross multiply
    731,181,221.29x = 1,009,030,085.35 × 417,922,161.32
  4. Step 4: Simplify right side
    731,181,221.29x = 421,696,034,106,376,064
  5. Step 5: Solve for x
    x = 421,696,034,106,376,064/731,181,221.29
  6. Step 6: Final answer
    x = 576,732,582.60

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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.