Home / 1,120,316,303.46-1,546,172,068.74-637,625,613.12

Finding the Fourth Proportional to 1,120,316,303.46, 1,546,172,068.74 and 637,625,613.12

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Solution

The fourth proportional to 1,120,316,303.46, 1,546,172,068.74 and 637,625,613.12 is: 880,000,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,316,303.46 : 1,546,172,068.74 = 637,625,613.12 : x
  2. Step 2: Convert to fraction form
    1,120,316,303.46/1,546,172,068.74 = 637,625,613.12/x
  3. Step 3: Cross multiply
    1,120,316,303.46x = 1,546,172,068.74 × 637,625,613.12
  4. Step 4: Simplify right side
    1,120,316,303.46x = 985,878,913,319,361,280
  5. Step 5: Solve for x
    x = 985,878,913,319,361,280/1,120,316,303.46
  6. Step 6: Final answer
    x = 880,000,505.46

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Double scale
Find fourth proportional to 1,120,316,304.46, 1,546,172,070.12 and 637,625,614.12
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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.