Home / 278,468,174,633.70-417,701,740,612.80-87,254,850,572.31

Finding the Fourth Proportional to 278,468,174,633.70, 417,701,740,612.80 and 87,254,850,572.31

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Solution

The fourth proportional to 278,468,174,633.70, 417,701,740,612.80 and 87,254,850,572.31 is: 130,882,112,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,468,174,633.70 : 417,701,740,612.80 = 87,254,850,572.31 : x
  2. Step 2: Convert to fraction form
    278,468,174,633.70/417,701,740,612.80 = 87,254,850,572.31/x
  3. Step 3: Cross multiply
    278,468,174,633.70x = 417,701,740,612.80 × 87,254,850,572.31
  4. Step 4: Simplify right side
    278,468,174,633.70x = 36,446,502,960,963,654,778,880
  5. Step 5: Solve for x
    x = 36,446,502,960,963,654,778,880/278,468,174,633.70
  6. Step 6: Final answer
    x = 130,882,112,503.18

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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.