Home / 535,464,009.60-803,196,014.40-289,725,691.20

Finding the Fourth Proportional to 535,464,009.60, 803,196,014.40 and 289,725,691.20

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Solution

The fourth proportional to 535,464,009.60, 803,196,014.40 and 289,725,691.20 is: 434,588,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,464,009.60 : 803,196,014.40 = 289,725,691.20 : x
  2. Step 2: Convert to fraction form
    535,464,009.60/803,196,014.40 = 289,725,691.20/x
  3. Step 3: Cross multiply
    535,464,009.60x = 803,196,014.40 × 289,725,691.20
  4. Step 4: Simplify right side
    535,464,009.60x = 232,706,520,441,125,152
  5. Step 5: Solve for x
    x = 232,706,520,441,125,152/535,464,009.60
  6. Step 6: Final answer
    x = 434,588,536.80

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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.