Home / 286,887,813,624.18-395,905,333,095.40-156,678,450,774.84

Finding the Fourth Proportional to 286,887,813,624.18, 395,905,333,095.40 and 156,678,450,774.84

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Solution

The fourth proportional to 286,887,813,624.18, 395,905,333,095.40 and 156,678,450,774.84 is: 216,216,344,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887,813,624.18 : 395,905,333,095.40 = 156,678,450,774.84 : x
  2. Step 2: Convert to fraction form
    286,887,813,624.18/395,905,333,095.40 = 156,678,450,774.84/x
  3. Step 3: Cross multiply
    286,887,813,624.18x = 395,905,333,095.40 × 156,678,450,774.84
  4. Step 4: Simplify right side
    286,887,813,624.18x = 62,029,834,242,884,263,477,248
  5. Step 5: Solve for x
    x = 62,029,834,242,884,263,477,248/286,887,813,624.18
  6. Step 6: Final answer
    x = 216,216,344,149.57

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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.