Home / 920,700,343.80-1,270,566,983.26-497,314,002.52

Finding the Fourth Proportional to 920,700,343.80, 1,270,566,983.26 and 497,314,002.52

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Solution

The fourth proportional to 920,700,343.80, 1,270,566,983.26 and 497,314,002.52 is: 686,293,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,700,343.80 : 1,270,566,983.26 = 497,314,002.52 : x
  2. Step 2: Convert to fraction form
    920,700,343.80/1,270,566,983.26 = 497,314,002.52/x
  3. Step 3: Cross multiply
    920,700,343.80x = 1,270,566,983.26 × 497,314,002.52
  4. Step 4: Simplify right side
    920,700,343.80x = 631,870,751,914,849,408
  5. Step 5: Solve for x
    x = 631,870,751,914,849,408/920,700,343.80
  6. Step 6: Final answer
    x = 686,293,598.31

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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.