Home / 1,186,417,860.60-1,778,367,078.90-572,602,193.40

Finding the Fourth Proportional to 1,186,417,860.60, 1,778,367,078.90 and 572,602,193.40

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Solution

The fourth proportional to 1,186,417,860.60, 1,778,367,078.90 and 572,602,193.40 is: 858,295,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,417,860.60 : 1,778,367,078.90 = 572,602,193.40 : x
  2. Step 2: Convert to fraction form
    1,186,417,860.60/1,778,367,078.90 = 572,602,193.40/x
  3. Step 3: Cross multiply
    1,186,417,860.60x = 1,778,367,078.90 × 572,602,193.40
  4. Step 4: Simplify right side
    1,186,417,860.60x = 1,018,296,890,048,490,880
  5. Step 5: Solve for x
    x = 1,018,296,890,048,490,880/1,186,417,860.60
  6. Step 6: Final answer
    x = 858,295,313.87

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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.