Home / 780,109,219.04-1,076,550,463.19-427,677,642.95

Finding the Fourth Proportional to 780,109,219.04, 1,076,550,463.19 and 427,677,642.95

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Solution

The fourth proportional to 780,109,219.04, 1,076,550,463.19 and 427,677,642.95 is: 590,195,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,109,219.04 : 1,076,550,463.19 = 427,677,642.95 : x
  2. Step 2: Convert to fraction form
    780,109,219.04/1,076,550,463.19 = 427,677,642.95/x
  3. Step 3: Cross multiply
    780,109,219.04x = 1,076,550,463.19 × 427,677,642.95
  4. Step 4: Simplify right side
    780,109,219.04x = 460,416,564,613,829,952
  5. Step 5: Solve for x
    x = 460,416,564,613,829,952/780,109,219.04
  6. Step 6: Final answer
    x = 590,195,005.23

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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.