Home / 355,578,726.80-533,368,090.20-317,031,539.60

Finding the Fourth Proportional to 355,578,726.80, 533,368,090.20 and 317,031,539.60

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Solution

The fourth proportional to 355,578,726.80, 533,368,090.20 and 317,031,539.60 is: 475,547,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,578,726.80 : 533,368,090.20 = 317,031,539.60 : x
  2. Step 2: Convert to fraction form
    355,578,726.80/533,368,090.20 = 317,031,539.60/x
  3. Step 3: Cross multiply
    355,578,726.80x = 533,368,090.20 × 317,031,539.60
  4. Step 4: Simplify right side
    355,578,726.80x = 169,094,506,809,617,696
  5. Step 5: Solve for x
    x = 169,094,506,809,617,696/355,578,726.80
  6. Step 6: Final answer
    x = 475,547,309.40

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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.