Home / 1,019,121,751.32-1,406,359,527.48-617,473,301.28

Finding the Fourth Proportional to 1,019,121,751.32, 1,406,359,527.48 and 617,473,301.28

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Solution

The fourth proportional to 1,019,121,751.32, 1,406,359,527.48 and 617,473,301.28 is: 852,095,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,121,751.32 : 1,406,359,527.48 = 617,473,301.28 : x
  2. Step 2: Convert to fraction form
    1,019,121,751.32/1,406,359,527.48 = 617,473,301.28/x
  3. Step 3: Cross multiply
    1,019,121,751.32x = 1,406,359,527.48 × 617,473,301.28
  4. Step 4: Simplify right side
    1,019,121,751.32x = 868,389,460,219,656,448
  5. Step 5: Solve for x
    x = 868,389,460,219,656,448/1,019,121,751.32
  6. Step 6: Final answer
    x = 852,095,894.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.