Home / 1,121,009,989.80-1,681,514,984.70-1,114,552,981.65

Finding the Fourth Proportional to 1,121,009,989.80, 1,681,514,984.70 and 1,114,552,981.65

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Solution

The fourth proportional to 1,121,009,989.80, 1,681,514,984.70 and 1,114,552,981.65 is: 1,671,829,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,989.80 : 1,681,514,984.70 = 1,114,552,981.65 : x
  2. Step 2: Convert to fraction form
    1,121,009,989.80/1,681,514,984.70 = 1,114,552,981.65/x
  3. Step 3: Cross multiply
    1,121,009,989.80x = 1,681,514,984.70 × 1,114,552,981.65
  4. Step 4: Simplify right side
    1,121,009,989.80x = 1,874,137,539,886,539,264
  5. Step 5: Solve for x
    x = 1,874,137,539,886,539,264/1,121,009,989.80
  6. Step 6: Final answer
    x = 1,671,829,472.48

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Double scale
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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.