Home / 406,870,798.86-610,248,736.65-130,486,098.66

Finding the Fourth Proportional to 406,870,798.86, 610,248,736.65 and 130,486,098.66

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Solution

The fourth proportional to 406,870,798.86, 610,248,736.65 and 130,486,098.66 is: 195,710,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,870,798.86 : 610,248,736.65 = 130,486,098.66 : x
  2. Step 2: Convert to fraction form
    406,870,798.86/610,248,736.65 = 130,486,098.66/x
  3. Step 3: Cross multiply
    406,870,798.86x = 610,248,736.65 × 130,486,098.66
  4. Step 4: Simplify right side
    406,870,798.86x = 79,628,976,857,652,256
  5. Step 5: Solve for x
    x = 79,628,976,857,652,256/406,870,798.86
  6. Step 6: Final answer
    x = 195,710,719.67

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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.