Home / 384,934,727.20-577,402,090.80-112,333,050.40

Finding the Fourth Proportional to 384,934,727.20, 577,402,090.80 and 112,333,050.40

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Solution

The fourth proportional to 384,934,727.20, 577,402,090.80 and 112,333,050.40 is: 168,499,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,934,727.20 : 577,402,090.80 = 112,333,050.40 : x
  2. Step 2: Convert to fraction form
    384,934,727.20/577,402,090.80 = 112,333,050.40/x
  3. Step 3: Cross multiply
    384,934,727.20x = 577,402,090.80 × 112,333,050.40
  4. Step 4: Simplify right side
    384,934,727.20x = 64,861,338,166,901,776
  5. Step 5: Solve for x
    x = 64,861,338,166,901,776/384,934,727.20
  6. Step 6: Final answer
    x = 168,499,575.60

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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.