Home / 403,399,854.59-604,640,776.55-245,484,580.32

Finding the Fourth Proportional to 403,399,854.59, 604,640,776.55 and 245,484,580.32

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Solution

The fourth proportional to 403,399,854.59, 604,640,776.55 and 245,484,580.32 is: 367,947,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,399,854.59 : 604,640,776.55 = 245,484,580.32 : x
  2. Step 2: Convert to fraction form
    403,399,854.59/604,640,776.55 = 245,484,580.32/x
  3. Step 3: Cross multiply
    403,399,854.59x = 604,640,776.55 × 245,484,580.32
  4. Step 4: Simplify right side
    403,399,854.59x = 148,429,987,274,508,224
  5. Step 5: Solve for x
    x = 148,429,987,274,508,224/403,399,854.59
  6. Step 6: Final answer
    x = 367,947,547.79

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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.