Home / 526,852,343.60-727,055,666.20-288,703,335

Finding the Fourth Proportional to 526,852,343.60, 727,055,666.20 and 288,703,335

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Solution

The fourth proportional to 526,852,343.60, 727,055,666.20 and 288,703,335 is: 398,410,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,343.60 : 727,055,666.20 = 288,703,335 : x
  2. Step 2: Convert to fraction form
    526,852,343.60/727,055,666.20 = 288,703,335/x
  3. Step 3: Cross multiply
    526,852,343.60x = 727,055,666.20 × 288,703,335
  4. Step 4: Simplify right side
    526,852,343.60x = 209,903,395,562,586,784
  5. Step 5: Solve for x
    x = 209,903,395,562,586,784/526,852,343.60
  6. Step 6: Final answer
    x = 398,410,291.07

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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.