Home / 772,557,868.80-1,158,836,803.20-742,425,164.10

Finding the Fourth Proportional to 772,557,868.80, 1,158,836,803.20 and 742,425,164.10

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Solution

The fourth proportional to 772,557,868.80, 1,158,836,803.20 and 742,425,164.10 is: 1,113,637,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,557,868.80 : 1,158,836,803.20 = 742,425,164.10 : x
  2. Step 2: Convert to fraction form
    772,557,868.80/1,158,836,803.20 = 742,425,164.10/x
  3. Step 3: Cross multiply
    772,557,868.80x = 1,158,836,803.20 × 742,425,164.10
  4. Step 4: Simplify right side
    772,557,868.80x = 860,349,603,780,879,488
  5. Step 5: Solve for x
    x = 860,349,603,780,879,488/772,557,868.80
  6. Step 6: Final answer
    x = 1,113,637,746.15

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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.