Home / 51,508,352,465.60-77,262,528,698.40-42,202,607,979.20

Finding the Fourth Proportional to 51,508,352,465.60, 77,262,528,698.40 and 42,202,607,979.20

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Solution

The fourth proportional to 51,508,352,465.60, 77,262,528,698.40 and 42,202,607,979.20 is: 63,303,911,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,508,352,465.60 : 77,262,528,698.40 = 42,202,607,979.20 : x
  2. Step 2: Convert to fraction form
    51,508,352,465.60/77,262,528,698.40 = 42,202,607,979.20/x
  3. Step 3: Cross multiply
    51,508,352,465.60x = 77,262,528,698.40 × 42,202,607,979.20
  4. Step 4: Simplify right side
    51,508,352,465.60x = 3,260,680,210,140,264,136,704
  5. Step 5: Solve for x
    x = 3,260,680,210,140,264,136,704/51,508,352,465.60
  6. Step 6: Final answer
    x = 63,303,911,968.80

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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.