Home / 1,186,579,875.60-1,778,610,101.40-572,764,208.40

Finding the Fourth Proportional to 1,186,579,875.60, 1,778,610,101.40 and 572,764,208.40

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Solution

The fourth proportional to 1,186,579,875.60, 1,778,610,101.40 and 572,764,208.40 is: 858,538,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,579,875.60 : 1,778,610,101.40 = 572,764,208.40 : x
  2. Step 2: Convert to fraction form
    1,186,579,875.60/1,778,610,101.40 = 572,764,208.40/x
  3. Step 3: Cross multiply
    1,186,579,875.60x = 1,778,610,101.40 × 572,764,208.40
  4. Step 4: Simplify right side
    1,186,579,875.60x = 1,018,724,206,780,614,784
  5. Step 5: Solve for x
    x = 1,018,724,206,780,614,784/1,186,579,875.60
  6. Step 6: Final answer
    x = 858,538,247.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.