Home / 772,557,807.30-1,158,836,710.95-742,425,102.60

Finding the Fourth Proportional to 772,557,807.30, 1,158,836,710.95 and 742,425,102.60

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Solution

The fourth proportional to 772,557,807.30, 1,158,836,710.95 and 742,425,102.60 is: 1,113,637,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,557,807.30 : 1,158,836,710.95 = 742,425,102.60 : x
  2. Step 2: Convert to fraction form
    772,557,807.30/1,158,836,710.95 = 742,425,102.60/x
  3. Step 3: Cross multiply
    772,557,807.30x = 1,158,836,710.95 × 742,425,102.60
  4. Step 4: Simplify right side
    772,557,807.30x = 860,349,464,023,700,352
  5. Step 5: Solve for x
    x = 860,349,464,023,700,352/772,557,807.30
  6. Step 6: Final answer
    x = 1,113,637,653.90

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1.5x scale

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.