Home / 3,157,893,798.79-4,357,720,794.55-1,728,688,424.81

Finding the Fourth Proportional to 3,157,893,798.79, 4,357,720,794.55 and 1,728,688,424.81

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Solution

The fourth proportional to 3,157,893,798.79, 4,357,720,794.55 and 1,728,688,424.81 is: 2,385,495,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,893,798.79 : 4,357,720,794.55 = 1,728,688,424.81 : x
  2. Step 2: Convert to fraction form
    3,157,893,798.79/4,357,720,794.55 = 1,728,688,424.81/x
  3. Step 3: Cross multiply
    3,157,893,798.79x = 4,357,720,794.55 × 1,728,688,424.81
  4. Step 4: Simplify right side
    3,157,893,798.79x = 7,533,141,496,078,930,944
  5. Step 5: Solve for x
    x = 7,533,141,496,078,930,944/3,157,893,798.79
  6. Step 6: Final answer
    x = 2,385,495,515.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.