Home / 1,230,255,167.16-1,697,746,020.30-665,739,651

Finding the Fourth Proportional to 1,230,255,167.16, 1,697,746,020.30 and 665,739,651

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Solution

The fourth proportional to 1,230,255,167.16, 1,697,746,020.30 and 665,739,651 is: 918,717,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,255,167.16 : 1,697,746,020.30 = 665,739,651 : x
  2. Step 2: Convert to fraction form
    1,230,255,167.16/1,697,746,020.30 = 665,739,651/x
  3. Step 3: Cross multiply
    1,230,255,167.16x = 1,697,746,020.30 × 665,739,651
  4. Step 4: Simplify right side
    1,230,255,167.16x = 1,130,256,843,041,160,832
  5. Step 5: Solve for x
    x = 1,130,256,843,041,160,832/1,230,255,167.16
  6. Step 6: Final answer
    x = 918,717,411.81

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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.