Home / 425,216,070.60-637,824,105.90-287,466,563.40

Finding the Fourth Proportional to 425,216,070.60, 637,824,105.90 and 287,466,563.40

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Solution

The fourth proportional to 425,216,070.60, 637,824,105.90 and 287,466,563.40 is: 431,199,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,216,070.60 : 637,824,105.90 = 287,466,563.40 : x
  2. Step 2: Convert to fraction form
    425,216,070.60/637,824,105.90 = 287,466,563.40/x
  3. Step 3: Cross multiply
    425,216,070.60x = 637,824,105.90 × 287,466,563.40
  4. Step 4: Simplify right side
    425,216,070.60x = 183,353,103,776,750,656
  5. Step 5: Solve for x
    x = 183,353,103,776,750,656/425,216,070.60
  6. Step 6: Final answer
    x = 431,199,845.10

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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.