Home / 925,963,412.36-1,277,830,908.94-502,577,225.60

Finding the Fourth Proportional to 925,963,412.36, 1,277,830,908.94 and 502,577,225.60

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Solution

The fourth proportional to 925,963,412.36, 1,277,830,908.94 and 502,577,225.60 is: 693,557,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,963,412.36 : 1,277,830,908.94 = 502,577,225.60 : x
  2. Step 2: Convert to fraction form
    925,963,412.36/1,277,830,908.94 = 502,577,225.60/x
  3. Step 3: Cross multiply
    925,963,412.36x = 1,277,830,908.94 × 502,577,225.60
  4. Step 4: Simplify right side
    925,963,412.36x = 642,208,713,000,991,488
  5. Step 5: Solve for x
    x = 642,208,713,000,991,488/925,963,412.36
  6. Step 6: Final answer
    x = 693,557,331.13

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1.5x scale

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.