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Finding the Fourth Proportional to 1,091,834,692.12, 1,637,752,038.17 and 1,091,834,692.12

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Solution

The fourth proportional to 1,091,834,692.12, 1,637,752,038.17 and 1,091,834,692.12 is: 1,637,752,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,834,692.12 : 1,637,752,038.17 = 1,091,834,692.12 : x
  2. Step 2: Convert to fraction form
    1,091,834,692.12/1,637,752,038.17 = 1,091,834,692.12/x
  3. Step 3: Cross multiply
    1,091,834,692.12x = 1,637,752,038.17 × 1,091,834,692.12
  4. Step 4: Simplify right side
    1,091,834,692.12x = 1,788,154,492,356,055,808
  5. Step 5: Solve for x
    x = 1,788,154,492,356,055,808/1,091,834,692.12
  6. Step 6: Final answer
    x = 1,637,752,038.17

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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.