Home / 1,314,176,111.80-1,971,136,058.10-344,827,727.80

Finding the Fourth Proportional to 1,314,176,111.80, 1,971,136,058.10 and 344,827,727.80

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Solution

The fourth proportional to 1,314,176,111.80, 1,971,136,058.10 and 344,827,727.80 is: 517,207,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,176,111.80 : 1,971,136,058.10 = 344,827,727.80 : x
  2. Step 2: Convert to fraction form
    1,314,176,111.80/1,971,136,058.10 = 344,827,727.80/x
  3. Step 3: Cross multiply
    1,314,176,111.80x = 1,971,136,058.10 × 344,827,727.80
  4. Step 4: Simplify right side
    1,314,176,111.80x = 679,702,368,099,271,808
  5. Step 5: Solve for x
    x = 679,702,368,099,271,808/1,314,176,111.80
  6. Step 6: Final answer
    x = 517,207,976.92

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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.