Home / 840,303,543.90-1,260,455,315.85-534,949,355.10

Finding the Fourth Proportional to 840,303,543.90, 1,260,455,315.85 and 534,949,355.10

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Solution

The fourth proportional to 840,303,543.90, 1,260,455,315.85 and 534,949,355.10 is: 802,424,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,303,543.90 : 1,260,455,315.85 = 534,949,355.10 : x
  2. Step 2: Convert to fraction form
    840,303,543.90/1,260,455,315.85 = 534,949,355.10/x
  3. Step 3: Cross multiply
    840,303,543.90x = 1,260,455,315.85 × 534,949,355.10
  4. Step 4: Simplify right side
    840,303,543.90x = 674,279,758,346,324,224
  5. Step 5: Solve for x
    x = 674,279,758,346,324,224/840,303,543.90
  6. Step 6: Final answer
    x = 802,424,032.65

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Double scale
Find fourth proportional to 840,303,544.90, 1,260,455,317.35 and 534,949,356.10
Similar ratio
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1.5x scale

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.