Home / 972,655,543.17-1,342,262,875.14-526,618,851.75

Finding the Fourth Proportional to 972,655,543.17, 1,342,262,875.14 and 526,618,851.75

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Solution

The fourth proportional to 972,655,543.17, 1,342,262,875.14 and 526,618,851.75 is: 726,733,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,655,543.17 : 1,342,262,875.14 = 526,618,851.75 : x
  2. Step 2: Convert to fraction form
    972,655,543.17/1,342,262,875.14 = 526,618,851.75/x
  3. Step 3: Cross multiply
    972,655,543.17x = 1,342,262,875.14 × 526,618,851.75
  4. Step 4: Simplify right side
    972,655,543.17x = 706,860,934,052,880,512
  5. Step 5: Solve for x
    x = 706,860,934,052,880,512/972,655,543.17
  6. Step 6: Final answer
    x = 726,733,054.69

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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.