Home / 922,710,404.93-1,273,340,358.62-505,022,690.23

Finding the Fourth Proportional to 922,710,404.93, 1,273,340,358.62 and 505,022,690.23

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Solution

The fourth proportional to 922,710,404.93, 1,273,340,358.62 and 505,022,690.23 is: 696,931,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,710,404.93 : 1,273,340,358.62 = 505,022,690.23 : x
  2. Step 2: Convert to fraction form
    922,710,404.93/1,273,340,358.62 = 505,022,690.23/x
  3. Step 3: Cross multiply
    922,710,404.93x = 1,273,340,358.62 × 505,022,690.23
  4. Step 4: Simplify right side
    922,710,404.93x = 643,065,773,488,705,280
  5. Step 5: Solve for x
    x = 643,065,773,488,705,280/922,710,404.93
  6. Step 6: Final answer
    x = 696,931,312.42

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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.