Home / 1,545,044,018.76-2,132,175,928.14-840,211,316.46

Finding the Fourth Proportional to 1,545,044,018.76, 2,132,175,928.14 and 840,211,316.46

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Solution

The fourth proportional to 1,545,044,018.76, 2,132,175,928.14 and 840,211,316.46 is: 1,159,499,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,044,018.76 : 2,132,175,928.14 = 840,211,316.46 : x
  2. Step 2: Convert to fraction form
    1,545,044,018.76/2,132,175,928.14 = 840,211,316.46/x
  3. Step 3: Cross multiply
    1,545,044,018.76x = 2,132,175,928.14 × 840,211,316.46
  4. Step 4: Simplify right side
    1,545,044,018.76x = 1,791,478,343,506,831,872
  5. Step 5: Solve for x
    x = 1,791,478,343,506,831,872/1,545,044,018.76
  6. Step 6: Final answer
    x = 1,159,499,872.98

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Double scale
Find fourth proportional to 1,545,044,019.76, 2,132,175,929.52 and 840,211,317.46
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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.