Home / 1,915,402,077.40-2,873,103,116.10-1,872,355,356.40

Finding the Fourth Proportional to 1,915,402,077.40, 2,873,103,116.10 and 1,872,355,356.40

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Solution

The fourth proportional to 1,915,402,077.40, 2,873,103,116.10 and 1,872,355,356.40 is: 2,808,533,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,402,077.40 : 2,873,103,116.10 = 1,872,355,356.40 : x
  2. Step 2: Convert to fraction form
    1,915,402,077.40/2,873,103,116.10 = 1,872,355,356.40/x
  3. Step 3: Cross multiply
    1,915,402,077.40x = 2,873,103,116.10 × 1,872,355,356.40
  4. Step 4: Simplify right side
    1,915,402,077.40x = 5,379,470,008,919,366,656
  5. Step 5: Solve for x
    x = 5,379,470,008,919,366,656/1,915,402,077.40
  6. Step 6: Final answer
    x = 2,808,533,034.60

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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.