Home / 1,792,514,307.20-2,688,771,460.80-430,905,603.20

Finding the Fourth Proportional to 1,792,514,307.20, 2,688,771,460.80 and 430,905,603.20

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Solution

The fourth proportional to 1,792,514,307.20, 2,688,771,460.80 and 430,905,603.20 is: 646,358,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,514,307.20 : 2,688,771,460.80 = 430,905,603.20 : x
  2. Step 2: Convert to fraction form
    1,792,514,307.20/2,688,771,460.80 = 430,905,603.20/x
  3. Step 3: Cross multiply
    1,792,514,307.20x = 2,688,771,460.80 × 430,905,603.20
  4. Step 4: Simplify right side
    1,792,514,307.20x = 1,158,606,688,182,969,088
  5. Step 5: Solve for x
    x = 1,158,606,688,182,969,088/1,792,514,307.20
  6. Step 6: Final answer
    x = 646,358,404.80

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Double scale
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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.