Home / 977,509,435.05-1,467,964,763.78-518,344,411.05

Finding the Fourth Proportional to 977,509,435.05, 1,467,964,763.78 and 518,344,411.05

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Solution

The fourth proportional to 977,509,435.05, 1,467,964,763.78 and 518,344,411.05 is: 778,418,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,509,435.05 : 1,467,964,763.78 = 518,344,411.05 : x
  2. Step 2: Convert to fraction form
    977,509,435.05/1,467,964,763.78 = 518,344,411.05/x
  3. Step 3: Cross multiply
    977,509,435.05x = 1,467,964,763.78 × 518,344,411.05
  4. Step 4: Simplify right side
    977,509,435.05x = 760,911,330,921,104,768
  5. Step 5: Solve for x
    x = 760,911,330,921,104,768/977,509,435.05
  6. Step 6: Final answer
    x = 778,418,400.52

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Double scale
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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.