Home / 1,186,417,873.10-1,778,367,097.65-572,602,205.90

Finding the Fourth Proportional to 1,186,417,873.10, 1,778,367,097.65 and 572,602,205.90

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Solution

The fourth proportional to 1,186,417,873.10, 1,778,367,097.65 and 572,602,205.90 is: 858,295,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,417,873.10 : 1,778,367,097.65 = 572,602,205.90 : x
  2. Step 2: Convert to fraction form
    1,186,417,873.10/1,778,367,097.65 = 572,602,205.90/x
  3. Step 3: Cross multiply
    1,186,417,873.10x = 1,778,367,097.65 × 572,602,205.90
  4. Step 4: Simplify right side
    1,186,417,873.10x = 1,018,296,923,014,370,688
  5. Step 5: Solve for x
    x = 1,018,296,923,014,370,688/1,186,417,873.10
  6. Step 6: Final answer
    x = 858,295,332.62

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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.