Home / 1,346,977,801.40-2,020,466,702.10-976,776,000.80

Finding the Fourth Proportional to 1,346,977,801.40, 2,020,466,702.10 and 976,776,000.80

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Solution

The fourth proportional to 1,346,977,801.40, 2,020,466,702.10 and 976,776,000.80 is: 1,465,164,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,977,801.40 : 2,020,466,702.10 = 976,776,000.80 : x
  2. Step 2: Convert to fraction form
    1,346,977,801.40/2,020,466,702.10 = 976,776,000.80/x
  3. Step 3: Cross multiply
    1,346,977,801.40x = 2,020,466,702.10 × 976,776,000.80
  4. Step 4: Simplify right side
    1,346,977,801.40x = 1,973,543,385,026,802,688
  5. Step 5: Solve for x
    x = 1,973,543,385,026,802,688/1,346,977,801.40
  6. Step 6: Final answer
    x = 1,465,164,001.20

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Double scale
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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.