Home / 1,810,836,117.60-2,716,254,176.40-518,371,605.60

Finding the Fourth Proportional to 1,810,836,117.60, 2,716,254,176.40 and 518,371,605.60

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Solution

The fourth proportional to 1,810,836,117.60, 2,716,254,176.40 and 518,371,605.60 is: 777,557,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,836,117.60 : 2,716,254,176.40 = 518,371,605.60 : x
  2. Step 2: Convert to fraction form
    1,810,836,117.60/2,716,254,176.40 = 518,371,605.60/x
  3. Step 3: Cross multiply
    1,810,836,117.60x = 2,716,254,176.40 × 518,371,605.60
  4. Step 4: Simplify right side
    1,810,836,117.60x = 1,408,029,038,638,173,696
  5. Step 5: Solve for x
    x = 1,408,029,038,638,173,696/1,810,836,117.60
  6. Step 6: Final answer
    x = 777,557,408.40

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Double scale
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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.