Home / 748,128,966.93-1,032,373,602.45-413,581,538.30

Finding the Fourth Proportional to 748,128,966.93, 1,032,373,602.45 and 413,581,538.30

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Solution

The fourth proportional to 748,128,966.93, 1,032,373,602.45 and 413,581,538.30 is: 570,717,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,128,966.93 : 1,032,373,602.45 = 413,581,538.30 : x
  2. Step 2: Convert to fraction form
    748,128,966.93/1,032,373,602.45 = 413,581,538.30/x
  3. Step 3: Cross multiply
    748,128,966.93x = 1,032,373,602.45 × 413,581,538.30
  4. Step 4: Simplify right side
    748,128,966.93x = 426,970,662,596,421,824
  5. Step 5: Solve for x
    x = 426,970,662,596,421,824/748,128,966.93
  6. Step 6: Final answer
    x = 570,717,993.11

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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.