Home / 519,048,602.80-778,572,904.20-458,582,426.80

Finding the Fourth Proportional to 519,048,602.80, 778,572,904.20 and 458,582,426.80

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Solution

The fourth proportional to 519,048,602.80, 778,572,904.20 and 458,582,426.80 is: 687,873,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,602.80 : 778,572,904.20 = 458,582,426.80 : x
  2. Step 2: Convert to fraction form
    519,048,602.80/778,572,904.20 = 458,582,426.80/x
  3. Step 3: Cross multiply
    519,048,602.80x = 778,572,904.20 × 458,582,426.80
  4. Step 4: Simplify right side
    519,048,602.80x = 357,039,851,848,759,936
  5. Step 5: Solve for x
    x = 357,039,851,848,759,936/519,048,602.80
  6. Step 6: Final answer
    x = 687,873,640.20

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Double scale
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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.