Home / 721,160,924.39-1,075,678,133.23-654,956,412.70

Finding the Fourth Proportional to 721,160,924.39, 1,075,678,133.23 and 654,956,412.70

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Solution

The fourth proportional to 721,160,924.39, 1,075,678,133.23 and 654,956,412.70 is: 976,927,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,160,924.39 : 1,075,678,133.23 = 654,956,412.70 : x
  2. Step 2: Convert to fraction form
    721,160,924.39/1,075,678,133.23 = 654,956,412.70/x
  3. Step 3: Cross multiply
    721,160,924.39x = 1,075,678,133.23 × 654,956,412.70
  4. Step 4: Simplify right side
    721,160,924.39x = 704,522,291,356,878,720
  5. Step 5: Solve for x
    x = 704,522,291,356,878,720/721,160,924.39
  6. Step 6: Final answer
    x = 976,927,988.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.