Home / 942,403,066.56-1,300,500,364.86-519,056,151.30

Finding the Fourth Proportional to 942,403,066.56, 1,300,500,364.86 and 519,056,151.30

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Solution

The fourth proportional to 942,403,066.56, 1,300,500,364.86 and 519,056,151.30 is: 716,288,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,403,066.56 : 1,300,500,364.86 = 519,056,151.30 : x
  2. Step 2: Convert to fraction form
    942,403,066.56/1,300,500,364.86 = 519,056,151.30/x
  3. Step 3: Cross multiply
    942,403,066.56x = 1,300,500,364.86 × 519,056,151.30
  4. Step 4: Simplify right side
    942,403,066.56x = 675,032,714,148,477,312
  5. Step 5: Solve for x
    x = 675,032,714,148,477,312/942,403,066.56
  6. Step 6: Final answer
    x = 716,288,749.58

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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.