Home / 1,657,191,854.15-2,486,146,503.90-492,778,051.10

Finding the Fourth Proportional to 1,657,191,854.15, 2,486,146,503.90 and 492,778,051.10

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Solution

The fourth proportional to 1,657,191,854.15, 2,486,146,503.90 and 492,778,051.10 is: 739,273,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,191,854.15 : 2,486,146,503.90 = 492,778,051.10 : x
  2. Step 2: Convert to fraction form
    1,657,191,854.15/2,486,146,503.90 = 492,778,051.10/x
  3. Step 3: Cross multiply
    1,657,191,854.15x = 2,486,146,503.90 × 492,778,051.10
  4. Step 4: Simplify right side
    1,657,191,854.15x = 1,225,118,428,940,920,576
  5. Step 5: Solve for x
    x = 1,225,118,428,940,920,576/1,657,191,854.15
  6. Step 6: Final answer
    x = 739,273,745.45

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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.