Home / 1,385,873,335-2,078,905,650.95-403,308,013.33

Finding the Fourth Proportional to 1,385,873,335, 2,078,905,650.95 and 403,308,013.33

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Solution

The fourth proportional to 1,385,873,335, 2,078,905,650.95 and 403,308,013.33 is: 604,989,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,873,335 : 2,078,905,650.95 = 403,308,013.33 : x
  2. Step 2: Convert to fraction form
    1,385,873,335/2,078,905,650.95 = 403,308,013.33/x
  3. Step 3: Cross multiply
    1,385,873,335x = 2,078,905,650.95 × 403,308,013.33
  4. Step 4: Simplify right side
    1,385,873,335x = 838,439,307,985,154,944
  5. Step 5: Solve for x
    x = 838,439,307,985,154,944/1,385,873,335
  6. Step 6: Final answer
    x = 604,989,855.00

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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.