Home / 525,961,105.30-788,941,657.95-238,746,769.30

Finding the Fourth Proportional to 525,961,105.30, 788,941,657.95 and 238,746,769.30

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Solution

The fourth proportional to 525,961,105.30, 788,941,657.95 and 238,746,769.30 is: 358,120,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,961,105.30 : 788,941,657.95 = 238,746,769.30 : x
  2. Step 2: Convert to fraction form
    525,961,105.30/788,941,657.95 = 238,746,769.30/x
  3. Step 3: Cross multiply
    525,961,105.30x = 788,941,657.95 × 238,746,769.30
  4. Step 4: Simplify right side
    525,961,105.30x = 188,357,272,001,748,192
  5. Step 5: Solve for x
    x = 188,357,272,001,748,192/525,961,105.30
  6. Step 6: Final answer
    x = 358,120,153.95

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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.