Home / 688,788,155.76-1,033,180,904.72-171,219,094.46

Finding the Fourth Proportional to 688,788,155.76, 1,033,180,904.72 and 171,219,094.46

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Solution

The fourth proportional to 688,788,155.76, 1,033,180,904.72 and 171,219,094.46 is: 256,828,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,788,155.76 : 1,033,180,904.72 = 171,219,094.46 : x
  2. Step 2: Convert to fraction form
    688,788,155.76/1,033,180,904.72 = 171,219,094.46/x
  3. Step 3: Cross multiply
    688,788,155.76x = 1,033,180,904.72 × 171,219,094.46
  4. Step 4: Simplify right side
    688,788,155.76x = 176,900,298,918,658,528
  5. Step 5: Solve for x
    x = 176,900,298,918,658,528/688,788,155.76
  6. Step 6: Final answer
    x = 256,828,311.35

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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.