Home / 723,963,543.40-1,085,945,315.10-178,705,077.40

Finding the Fourth Proportional to 723,963,543.40, 1,085,945,315.10 and 178,705,077.40

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Solution

The fourth proportional to 723,963,543.40, 1,085,945,315.10 and 178,705,077.40 is: 268,057,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,963,543.40 : 1,085,945,315.10 = 178,705,077.40 : x
  2. Step 2: Convert to fraction form
    723,963,543.40/1,085,945,315.10 = 178,705,077.40/x
  3. Step 3: Cross multiply
    723,963,543.40x = 1,085,945,315.10 × 178,705,077.40
  4. Step 4: Simplify right side
    723,963,543.40x = 194,063,941,587,112,864
  5. Step 5: Solve for x
    x = 194,063,941,587,112,864/723,963,543.40
  6. Step 6: Final answer
    x = 268,057,616.10

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1.5x scale

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.