Home / 920,700,092.31-1,270,566,637.08-497,313,751.35

Finding the Fourth Proportional to 920,700,092.31, 1,270,566,637.08 and 497,313,751.35

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Solution

The fourth proportional to 920,700,092.31, 1,270,566,637.08 and 497,313,751.35 is: 686,293,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,700,092.31 : 1,270,566,637.08 = 497,313,751.35 : x
  2. Step 2: Convert to fraction form
    920,700,092.31/1,270,566,637.08 = 497,313,751.35/x
  3. Step 3: Cross multiply
    920,700,092.31x = 1,270,566,637.08 × 497,313,751.35
  4. Step 4: Simplify right side
    920,700,092.31x = 631,870,260,626,408,832
  5. Step 5: Solve for x
    x = 631,870,260,626,408,832/920,700,092.31
  6. Step 6: Final answer
    x = 686,293,252.17

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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.