Home / 289,533,421,047.63-434,362,958,963.30-88,069,920,110.91

Finding the Fourth Proportional to 289,533,421,047.63, 434,362,958,963.30 and 88,069,920,110.91

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Solution

The fourth proportional to 289,533,421,047.63, 434,362,958,963.30 and 88,069,920,110.91 is: 132,123,990,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533,421,047.63 : 434,362,958,963.30 = 88,069,920,110.91 : x
  2. Step 2: Convert to fraction form
    289,533,421,047.63/434,362,958,963.30 = 88,069,920,110.91/x
  3. Step 3: Cross multiply
    289,533,421,047.63x = 434,362,958,963.30 × 88,069,920,110.91
  4. Step 4: Simplify right side
    289,533,421,047.63x = 38,254,311,095,036,308,094,976
  5. Step 5: Solve for x
    x = 38,254,311,095,036,308,094,976/289,533,421,047.63
  6. Step 6: Final answer
    x = 132,123,990,925.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.