Home / 1,387,840,055.36-1,915,201,419.71-793,117,718.28

Finding the Fourth Proportional to 1,387,840,055.36, 1,915,201,419.71 and 793,117,718.28

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Solution

The fourth proportional to 1,387,840,055.36, 1,915,201,419.71 and 793,117,718.28 is: 1,094,492,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,840,055.36 : 1,915,201,419.71 = 793,117,718.28 : x
  2. Step 2: Convert to fraction form
    1,387,840,055.36/1,915,201,419.71 = 793,117,718.28/x
  3. Step 3: Cross multiply
    1,387,840,055.36x = 1,915,201,419.71 × 793,117,718.28
  4. Step 4: Simplify right side
    1,387,840,055.36x = 1,518,980,180,043,046,144
  5. Step 5: Solve for x
    x = 1,518,980,180,043,046,144/1,387,840,055.36
  6. Step 6: Final answer
    x = 1,094,492,246.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.