Home / 1,248,299,573.25-1,722,000,304.55-771,837,635.51

Finding the Fourth Proportional to 1,248,299,573.25, 1,722,000,304.55 and 771,837,635.51

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Solution

The fourth proportional to 1,248,299,573.25, 1,722,000,304.55 and 771,837,635.51 is: 1,064,732,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,299,573.25 : 1,722,000,304.55 = 771,837,635.51 : x
  2. Step 2: Convert to fraction form
    1,248,299,573.25/1,722,000,304.55 = 771,837,635.51/x
  3. Step 3: Cross multiply
    1,248,299,573.25x = 1,722,000,304.55 × 771,837,635.51
  4. Step 4: Simplify right side
    1,248,299,573.25x = 1,329,104,643,406,241,280
  5. Step 5: Solve for x
    x = 1,329,104,643,406,241,280/1,248,299,573.25
  6. Step 6: Final answer
    x = 1,064,732,113.90

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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.