Home / 497,852,421.93-687,018,326.45-274,829,313.42

Finding the Fourth Proportional to 497,852,421.93, 687,018,326.45 and 274,829,313.42

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Solution

The fourth proportional to 497,852,421.93, 687,018,326.45 and 274,829,313.42 is: 379,254,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,852,421.93 : 687,018,326.45 = 274,829,313.42 : x
  2. Step 2: Convert to fraction form
    497,852,421.93/687,018,326.45 = 274,829,313.42/x
  3. Step 3: Cross multiply
    497,852,421.93x = 687,018,326.45 × 274,829,313.42
  4. Step 4: Simplify right side
    497,852,421.93x = 188,812,774,963,836,800
  5. Step 5: Solve for x
    x = 188,812,774,963,836,800/497,852,421.93
  6. Step 6: Final answer
    x = 379,254,507.25

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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.