Home / 1,779,402,283.40-2,669,103,425.10-1,490,989,252.70

Finding the Fourth Proportional to 1,779,402,283.40, 2,669,103,425.10 and 1,490,989,252.70

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Solution

The fourth proportional to 1,779,402,283.40, 2,669,103,425.10 and 1,490,989,252.70 is: 2,236,483,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,402,283.40 : 2,669,103,425.10 = 1,490,989,252.70 : x
  2. Step 2: Convert to fraction form
    1,779,402,283.40/2,669,103,425.10 = 1,490,989,252.70/x
  3. Step 3: Cross multiply
    1,779,402,283.40x = 2,669,103,425.10 × 1,490,989,252.70
  4. Step 4: Simplify right side
    1,779,402,283.40x = 3,979,604,521,168,859,648
  5. Step 5: Solve for x
    x = 3,979,604,521,168,859,648/1,779,402,283.40
  6. Step 6: Final answer
    x = 2,236,483,879.05

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Double scale
Find fourth proportional to 1,779,402,284.40, 2,669,103,426.60 and 1,490,989,253.70
Similar ratio
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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.