Home / 1,181,947,030.40-1,772,920,545.60-363,953,043.20

Finding the Fourth Proportional to 1,181,947,030.40, 1,772,920,545.60 and 363,953,043.20

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Solution

The fourth proportional to 1,181,947,030.40, 1,772,920,545.60 and 363,953,043.20 is: 545,929,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,947,030.40 : 1,772,920,545.60 = 363,953,043.20 : x
  2. Step 2: Convert to fraction form
    1,181,947,030.40/1,772,920,545.60 = 363,953,043.20/x
  3. Step 3: Cross multiply
    1,181,947,030.40x = 1,772,920,545.60 × 363,953,043.20
  4. Step 4: Simplify right side
    1,181,947,030.40x = 645,259,827,922,924,288
  5. Step 5: Solve for x
    x = 645,259,827,922,924,288/1,181,947,030.40
  6. Step 6: Final answer
    x = 545,929,564.80

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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.