Home / 1,149,139,784.12-1,717,413,381.08-838,900,692.98

Finding the Fourth Proportional to 1,149,139,784.12, 1,717,413,381.08 and 838,900,692.98

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Solution

The fourth proportional to 1,149,139,784.12, 1,717,413,381.08 and 838,900,692.98 is: 1,253,754,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,139,784.12 : 1,717,413,381.08 = 838,900,692.98 : x
  2. Step 2: Convert to fraction form
    1,149,139,784.12/1,717,413,381.08 = 838,900,692.98/x
  3. Step 3: Cross multiply
    1,149,139,784.12x = 1,717,413,381.08 × 838,900,692.98
  4. Step 4: Simplify right side
    1,149,139,784.12x = 1,440,739,275,522,681,088
  5. Step 5: Solve for x
    x = 1,440,739,275,522,681,088/1,149,139,784.12
  6. Step 6: Final answer
    x = 1,253,754,587.07

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Half scale
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Double scale
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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.