Home / 832,329,051.47-1,147,693,826.36-530,436,363.20

Finding the Fourth Proportional to 832,329,051.47, 1,147,693,826.36 and 530,436,363.20

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Solution

The fourth proportional to 832,329,051.47, 1,147,693,826.36 and 530,436,363.20 is: 731,415,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,329,051.47 : 1,147,693,826.36 = 530,436,363.20 : x
  2. Step 2: Convert to fraction form
    832,329,051.47/1,147,693,826.36 = 530,436,363.20/x
  3. Step 3: Cross multiply
    832,329,051.47x = 1,147,693,826.36 × 530,436,363.20
  4. Step 4: Simplify right side
    832,329,051.47x = 608,778,539,318,838,528
  5. Step 5: Solve for x
    x = 608,778,539,318,838,528/832,329,051.47
  6. Step 6: Final answer
    x = 731,415,704.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.