Home / 1,345,315,551,428.50-2,018,095,943,033.40-438,520,607,670.60

Finding the Fourth Proportional to 1,345,315,551,428.50, 2,018,095,943,033.40 and 438,520,607,670.60

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Solution

The fourth proportional to 1,345,315,551,428.50, 2,018,095,943,033.40 and 438,520,607,670.60 is: 657,820,879,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,315,551,428.50 : 2,018,095,943,033.40 = 438,520,607,670.60 : x
  2. Step 2: Convert to fraction form
    1,345,315,551,428.50/2,018,095,943,033.40 = 438,520,607,670.60/x
  3. Step 3: Cross multiply
    1,345,315,551,428.50x = 2,018,095,943,033.40 × 438,520,607,670.60
  4. Step 4: Simplify right side
    1,345,315,551,428.50x = 884,976,659,276,578,970,140,672
  5. Step 5: Solve for x
    x = 884,976,659,276,578,970,140,672/1,345,315,551,428.50
  6. Step 6: Final answer
    x = 657,820,879,522.94

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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.