Home / 256,211,200.90-384,316,801.35-243,670,068.10

Finding the Fourth Proportional to 256,211,200.90, 384,316,801.35 and 243,670,068.10

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Solution

The fourth proportional to 256,211,200.90, 384,316,801.35 and 243,670,068.10 is: 365,505,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,211,200.90 : 384,316,801.35 = 243,670,068.10 : x
  2. Step 2: Convert to fraction form
    256,211,200.90/384,316,801.35 = 243,670,068.10/x
  3. Step 3: Cross multiply
    256,211,200.90x = 384,316,801.35 × 243,670,068.10
  4. Step 4: Simplify right side
    256,211,200.90x = 93,646,501,156,928,672
  5. Step 5: Solve for x
    x = 93,646,501,156,928,672/256,211,200.90
  6. Step 6: Final answer
    x = 365,505,102.15

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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.