Home / 1,053,065,010.40-1,579,597,515.60-508,869,426.40

Finding the Fourth Proportional to 1,053,065,010.40, 1,579,597,515.60 and 508,869,426.40

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Solution

The fourth proportional to 1,053,065,010.40, 1,579,597,515.60 and 508,869,426.40 is: 763,304,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,065,010.40 : 1,579,597,515.60 = 508,869,426.40 : x
  2. Step 2: Convert to fraction form
    1,053,065,010.40/1,579,597,515.60 = 508,869,426.40/x
  3. Step 3: Cross multiply
    1,053,065,010.40x = 1,579,597,515.60 × 508,869,426.40
  4. Step 4: Simplify right side
    1,053,065,010.40x = 803,808,881,706,236,928
  5. Step 5: Solve for x
    x = 803,808,881,706,236,928/1,053,065,010.40
  6. Step 6: Final answer
    x = 763,304,139.60

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Half scale
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Double scale
Find fourth proportional to 1,053,065,011.40, 1,579,597,517.10 and 508,869,427.40
Similar ratio
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1.5x scale

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.