Home / 1,122,723,005.85-1,549,279,094.81-652,790,987.19

Finding the Fourth Proportional to 1,122,723,005.85, 1,549,279,094.81 and 652,790,987.19

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Solution

The fourth proportional to 1,122,723,005.85, 1,549,279,094.81 and 652,790,987.19 is: 900,805,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,723,005.85 : 1,549,279,094.81 = 652,790,987.19 : x
  2. Step 2: Convert to fraction form
    1,122,723,005.85/1,549,279,094.81 = 652,790,987.19/x
  3. Step 3: Cross multiply
    1,122,723,005.85x = 1,549,279,094.81 × 652,790,987.19
  4. Step 4: Simplify right side
    1,122,723,005.85x = 1,011,355,429,730,585,728
  5. Step 5: Solve for x
    x = 1,011,355,429,730,585,728/1,122,723,005.85
  6. Step 6: Final answer
    x = 900,805,830.52

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Half scale
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Double scale
Find fourth proportional to 1,122,723,006.85, 1,549,279,096.18 and 652,790,988.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.