Home / 1,550,363,417.76-2,139,133,775.71-881,255,795.12

Finding the Fourth Proportional to 1,550,363,417.76, 2,139,133,775.71 and 881,255,795.12

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Solution

The fourth proportional to 1,550,363,417.76, 2,139,133,775.71 and 881,255,795.12 is: 1,215,923,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,363,417.76 : 2,139,133,775.71 = 881,255,795.12 : x
  2. Step 2: Convert to fraction form
    1,550,363,417.76/2,139,133,775.71 = 881,255,795.12/x
  3. Step 3: Cross multiply
    1,550,363,417.76x = 2,139,133,775.71 × 881,255,795.12
  4. Step 4: Simplify right side
    1,550,363,417.76x = 1,885,124,036,390,182,912
  5. Step 5: Solve for x
    x = 1,885,124,036,390,182,912/1,550,363,417.76
  6. Step 6: Final answer
    x = 1,215,923,966.47

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Double scale
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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.