Home / 1,075,430,793.60-1,613,146,190.40-530,433,417.60

Finding the Fourth Proportional to 1,075,430,793.60, 1,613,146,190.40 and 530,433,417.60

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Solution

The fourth proportional to 1,075,430,793.60, 1,613,146,190.40 and 530,433,417.60 is: 795,650,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,430,793.60 : 1,613,146,190.40 = 530,433,417.60 : x
  2. Step 2: Convert to fraction form
    1,075,430,793.60/1,613,146,190.40 = 530,433,417.60/x
  3. Step 3: Cross multiply
    1,075,430,793.60x = 1,613,146,190.40 × 530,433,417.60
  4. Step 4: Simplify right side
    1,075,430,793.60x = 855,666,646,862,292,352
  5. Step 5: Solve for x
    x = 855,666,646,862,292,352/1,075,430,793.60
  6. Step 6: Final answer
    x = 795,650,126.40

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Half scale
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Double scale
Find fourth proportional to 1,075,430,794.60, 1,613,146,191.90 and 530,433,418.60
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.