Home / 25,178,688,001.20-37,768,032,001.80-7,728,149,607.60

Finding the Fourth Proportional to 25,178,688,001.20, 37,768,032,001.80 and 7,728,149,607.60

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Solution

The fourth proportional to 25,178,688,001.20, 37,768,032,001.80 and 7,728,149,607.60 is: 11,592,224,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178,688,001.20 : 37,768,032,001.80 = 7,728,149,607.60 : x
  2. Step 2: Convert to fraction form
    25,178,688,001.20/37,768,032,001.80 = 7,728,149,607.60/x
  3. Step 3: Cross multiply
    25,178,688,001.20x = 37,768,032,001.80 × 7,728,149,607.60
  4. Step 4: Simplify right side
    25,178,688,001.20x = 291,877,001,694,534,959,104
  5. Step 5: Solve for x
    x = 291,877,001,694,534,959,104/25,178,688,001.20
  6. Step 6: Final answer
    x = 11,592,224,411.40

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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.