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Finding the Fourth Proportional to 1,260,698,590.53, 1,893,917,667.06 and 912,020,150.43

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Solution

The fourth proportional to 1,260,698,590.53, 1,893,917,667.06 and 912,020,150.43 is: 1,370,106,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,698,590.53 : 1,893,917,667.06 = 912,020,150.43 : x
  2. Step 2: Convert to fraction form
    1,260,698,590.53/1,893,917,667.06 = 912,020,150.43/x
  3. Step 3: Cross multiply
    1,260,698,590.53x = 1,893,917,667.06 × 912,020,150.43
  4. Step 4: Simplify right side
    1,260,698,590.53x = 1,727,291,075,614,095,616
  5. Step 5: Solve for x
    x = 1,727,291,075,614,095,616/1,260,698,590.53
  6. Step 6: Final answer
    x = 1,370,106,295.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.