Home / 1,019,121,752.32-1,406,359,528.86-617,473,302.28

Finding the Fourth Proportional to 1,019,121,752.32, 1,406,359,528.86 and 617,473,302.28

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Solution

The fourth proportional to 1,019,121,752.32, 1,406,359,528.86 and 617,473,302.28 is: 852,095,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,121,752.32 : 1,406,359,528.86 = 617,473,302.28 : x
  2. Step 2: Convert to fraction form
    1,019,121,752.32/1,406,359,528.86 = 617,473,302.28/x
  3. Step 3: Cross multiply
    1,019,121,752.32x = 1,406,359,528.86 × 617,473,302.28
  4. Step 4: Simplify right side
    1,019,121,752.32x = 868,389,462,478,129,024
  5. Step 5: Solve for x
    x = 868,389,462,478,129,024/1,019,121,752.32
  6. Step 6: Final answer
    x = 852,095,895.81

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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.