Home / 2,153,231,341.73-2,972,012,120.71-1,402,415,482.74

Finding the Fourth Proportional to 2,153,231,341.73, 2,972,012,120.71 and 1,402,415,482.74

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Solution

The fourth proportional to 2,153,231,341.73, 2,972,012,120.71 and 1,402,415,482.74 is: 1,935,693,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,231,341.73 : 2,972,012,120.71 = 1,402,415,482.74 : x
  2. Step 2: Convert to fraction form
    2,153,231,341.73/2,972,012,120.71 = 1,402,415,482.74/x
  3. Step 3: Cross multiply
    2,153,231,341.73x = 2,972,012,120.71 × 1,402,415,482.74
  4. Step 4: Simplify right side
    2,153,231,341.73x = 4,167,995,812,971,139,584
  5. Step 5: Solve for x
    x = 4,167,995,812,971,139,584/2,153,231,341.73
  6. Step 6: Final answer
    x = 1,935,693,453.92

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Double scale
Find fourth proportional to 2,153,231,342.73, 2,972,012,122.09 and 1,402,415,483.74
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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.