Home / 1,240,713,058.60-1,861,069,587.90-1,105,115,887.45

Finding the Fourth Proportional to 1,240,713,058.60, 1,861,069,587.90 and 1,105,115,887.45

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Solution

The fourth proportional to 1,240,713,058.60, 1,861,069,587.90 and 1,105,115,887.45 is: 1,657,673,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,713,058.60 : 1,861,069,587.90 = 1,105,115,887.45 : x
  2. Step 2: Convert to fraction form
    1,240,713,058.60/1,861,069,587.90 = 1,105,115,887.45/x
  3. Step 3: Cross multiply
    1,240,713,058.60x = 1,861,069,587.90 × 1,105,115,887.45
  4. Step 4: Simplify right side
    1,240,713,058.60x = 2,056,697,569,238,314,496
  5. Step 5: Solve for x
    x = 2,056,697,569,238,314,496/1,240,713,058.60
  6. Step 6: Final answer
    x = 1,657,673,831.18

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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.