Home / 891,983,547.76-1,230,972,267.36-610,316,775.04

Finding the Fourth Proportional to 891,983,547.76, 1,230,972,267.36 and 610,316,775.04

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Solution

The fourth proportional to 891,983,547.76, 1,230,972,267.36 and 610,316,775.04 is: 842,261,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,983,547.76 : 1,230,972,267.36 = 610,316,775.04 : x
  2. Step 2: Convert to fraction form
    891,983,547.76/1,230,972,267.36 = 610,316,775.04/x
  3. Step 3: Cross multiply
    891,983,547.76x = 1,230,972,267.36 × 610,316,775.04
  4. Step 4: Simplify right side
    891,983,547.76x = 751,283,024,378,831,744
  5. Step 5: Solve for x
    x = 751,283,024,378,831,744/891,983,547.76
  6. Step 6: Final answer
    x = 842,261,077.87

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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.