Home / 909,427,291.54-1,255,026,007.40-533,355,120.26

Finding the Fourth Proportional to 909,427,291.54, 1,255,026,007.40 and 533,355,120.26

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Solution

The fourth proportional to 909,427,291.54, 1,255,026,007.40 and 533,355,120.26 is: 736,039,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,427,291.54 : 1,255,026,007.40 = 533,355,120.26 : x
  2. Step 2: Convert to fraction form
    909,427,291.54/1,255,026,007.40 = 533,355,120.26/x
  3. Step 3: Cross multiply
    909,427,291.54x = 1,255,026,007.40 × 533,355,120.26
  4. Step 4: Simplify right side
    909,427,291.54x = 669,374,547,106,254,720
  5. Step 5: Solve for x
    x = 669,374,547,106,254,720/909,427,291.54
  6. Step 6: Final answer
    x = 736,039,651.91

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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.