Home / 926,646,774.24-1,278,851,411.88-524,831,997.90

Finding the Fourth Proportional to 926,646,774.24, 1,278,851,411.88 and 524,831,997.90

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Solution

The fourth proportional to 926,646,774.24, 1,278,851,411.88 and 524,831,997.90 is: 724,312,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,646,774.24 : 1,278,851,411.88 = 524,831,997.90 : x
  2. Step 2: Convert to fraction form
    926,646,774.24/1,278,851,411.88 = 524,831,997.90/x
  3. Step 3: Cross multiply
    926,646,774.24x = 1,278,851,411.88 × 524,831,997.90
  4. Step 4: Simplify right side
    926,646,774.24x = 671,182,141,514,216,192
  5. Step 5: Solve for x
    x = 671,182,141,514,216,192/926,646,774.24
  6. Step 6: Final answer
    x = 724,312,823.58

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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.